FOUS55 KRIW 311549 AFMRIW AREA FORECAST MATRICES NATIONAL WEATHER SERVICE Riverton WY Issued by National Weather Service Cheyenne WY 849 AM MST Thu Dec 31 2020 WYZ001-312315- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 14 22 34 -7 6 16 18 23 34 3 10 21 13 21 36 TEMP 13 12 10 9 7 8 7 7 18 23 17 13 11 11 14 13 18 20 17 DEWPT 11 9 8 6 4 3 2 1 10 13 12 10 8 7 9 9 12 14 12 RH 91 87 91 87 87 79 79 76 70 65 80 87 87 83 80 84 77 77 80 WIND DIR SW SW W SW SW S SW S SW SW SW S SW SW SW SW SW SW SW WIND SPD 4 6 4 4 3 4 4 4 4 6 8 8 9 9 9 10 11 11 10 WIND GUST 20 24 23 19 16 19 19 19 24 26 20 26 28 32 33 39 39 40 35 CLOUDS B2 B2 B2 B1 B1 B1 B1 SC SC SC FW SC SC B1 B1 B2 B2 B2 B2 POP 12HR 40 5 0 20 30 QPF 12HR 0.00-0.07 0 0 0 0.00-0.08 SNOW 12HR T 00-00 00-00 SNOW S S S C C C C C OBVIS PF PF PF WIND CHILL 6 3 4 3 1 2 1 -1 16 7 2 -1 -1 -2 -4 5 8 5 MIN CHILL -6 -9 -9 -14 -16 -7 -11 -12 -14 -7 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 15 26 17 28 MM 25 MM MM TEMP 17 19 24 23 21 20 25 25 MM MM MM MM MM MM MM MM DEWPT 13 15 19 19 17 16 20 20 16 14 18 14 7 4 11 13 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS B2 B2 OV OV B2 B2 B2 B2 MM MM MM MM MM MM MM MM POP 12HR 30 70 40 40 60 50 10 30 SNOW C C L L L C C C C L C C S S S $$ WYZ002-312315- Absaroka Mountains- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 15 26 40 1 12 23 17 27 42 6 15 28 9 22 40 TEMP 15 14 13 13 12 16 16 16 24 27 18 16 15 18 19 17 20 22 17 DEWPT 7 6 5 4 3 1 1 3 5 4 6 5 4 5 6 6 9 10 7 RH 70 70 70 67 66 51 51 56 43 37 59 61 61 56 56 61 62 59 64 WIND DIR W W W W W W W W W W W W W W W W W W W WIND SPD 9 12 10 8 6 8 9 9 10 12 10 12 12 16 17 17 18 19 17 WIND GUST 33 33 31 29 27 31 29 29 33 33 24 31 31 44 51 54 51 50 48 CLOUDS B1 B1 B1 SC FW FW FW FW FW FW FW FW SC SC B1 SC B1 B1 SC POP 12HR 10 0 0 0 10 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW S C C C C S WIND CHILL 3 0 1 2 1 6 6 5 14 16 7 2 1 3 3 2 9 11 4 MIN CHILL -12 -13 -10 -11 -12 -7 -10 -10 -9 -11 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 16 26 18 29 MM 24 MM MM TEMP 17 20 25 22 21 20 26 23 MM MM MM MM MM MM MM MM DEWPT 7 11 14 13 11 10 14 15 13 12 14 7 3 4 9 9 PWIND DIR W W W W W W MM MM WIND CHAR BZ BZ BZ BZ BZ BZ MM MM AVG CLOUDS SC B1 B2 B1 B1 SC B1 B1 MM MM MM MM MM MM MM MM POP 12HR 10 50 30 30 40 40 5 20 SNOW S C C C C C S C C C C C S S $$ WYZ003-312315- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 33 39 42 12 20 25 34 38 42 17 24 30 30 39 45 TEMP 23 23 23 23 23 22 21 20 34 38 31 27 26 25 29 28 35 38 32 DEWPT 10 10 9 9 8 8 8 9 12 10 11 9 9 9 10 11 12 12 11 RH 57 57 54 54 52 54 56 62 39 31 43 46 48 50 44 48 38 34 41 WIND DIR SW W SW W W SW SW SW SW S S SW SW SW SW SW W W SW WIND SPD 6 11 5 6 6 6 6 6 10 12 8 10 10 10 10 10 14 16 12 WIND GUST 31 33 29 29 29 33 31 29 34 31 20 27 27 33 44 40 43 43 41 CLOUDS B1 SC SC FW FW FW FW FW FW FW FW FW SC SC B2 B1 SC SC FW POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 15 12 16 15 14 14 13 11 26 31 23 18 16 15 15 14 29 25 MIN CHILL 3 2 7 5 5 16 8 8 7 13 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 26 43 26 43 MM 40 MM MM TEMP 30 30 38 37 34 30 38 36 MM MM MM MM MM MM MM MM DEWPT 11 14 16 16 15 14 16 17 18 18 19 14 10 9 14 14 PWIND DIR SW SW W SW SW W MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS SC SC B1 SC SC SC SC SC MM MM MM MM MM MM MM MM POP 12HR 0 20 10 10 30 20 5 5 SNOW S S S S S C C $$ WYZ004-312315- North Big Horn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 34 37 41 5 14 21 37 11 17 25 35 39 43 TEMP 20 20 20 20 19 16 15 14 27 36 30 24 22 20 21 20 30 38 32 DEWPT 10 11 11 11 11 10 9 8 15 15 14 13 12 11 9 10 13 13 13 RH 64 67 67 67 70 77 77 76 60 42 51 62 65 67 59 64 49 35 45 WIND DIR S SE SE S S SE S S S SE SE SE S SE SE S S S S WIND SPD 4 6 3 4 4 4 4 4 5 9 8 8 8 8 8 5 6 9 8 WIND GUST 17 23 16 16 16 17 19 17 24 27 23 24 21 25 24 20 28 29 27 CLOUDS SC SC SC FW FW FW FW FW FW FW FW FW FW SC B2 B2 SC FW FW POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 14 11 14 12 10 8 7 20 29 23 16 12 10 9 9 26 MIN CHILL 4 6 4 -2 -3 17 6 1 1 22 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 19 42 21 43 MM 41 MM MM TEMP 25 23 33 36 30 25 34 37 MM MM MM MM MM MM MM MM DEWPT 12 12 16 18 17 15 18 19 21 20 23 19 15 12 16 16 PWIND DIR S S SW S S SW MM MM WIND CHAR GN GN GN GN GN LT MM MM AVG CLOUDS FW SC B1 SC SC SC SC SC MM MM MM MM MM MM MM MM POP 12HR 0 5 5 5 10 20 5 0 SNOW S C S $$ WYZ005-312315- Southwest Big Horn Basin- Including the city of Thermopolis 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 35 6 13 19 35 9 15 21 35 38 41 TEMP 18 18 18 18 16 14 14 14 29 35 26 21 18 16 19 20 32 38 30 DEWPT 10 10 10 10 9 8 7 7 16 17 13 10 8 7 6 8 13 15 14 RH 70 70 70 70 73 76 73 73 58 47 57 62 64 67 56 59 45 38 51 WIND DIR SW E S SW SW SW SW SW S S S SW S SW S SW SW SW S WIND SPD 3 5 3 4 4 4 4 4 5 8 6 8 8 8 6 5 5 6 6 WIND GUST 16 16 23 20 17 19 18 21 20 19 18 20 CLOUDS SC SC SC SC FW FW FW FW FW FW FW FW FW SC B2 B2 SC FW FW POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 10 12 10 8 7 7 23 29 19 12 8 6 6 6 23 MIN CHILL 4 4 6 -1 -1 13 4 -1 -2 17 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 17 42 20 42 MM 40 MM MM TEMP 22 21 34 35 29 25 35 34 MM MM MM MM MM MM MM MM DEWPT 10 10 18 19 15 13 18 21 19 18 22 18 11 9 16 17 PWIND DIR SW SW SW S S SW MM MM WIND CHAR LT GN GN GN GN LT MM MM AVG CLOUDS FW SC B1 B1 SC SC SC B1 MM MM MM MM MM MM MM MM POP 12HR 0 5 0 5 10 20 5 0 SNOW S C $$ WYZ006-312315- Southeast Big Horn Basin- Including the cities of Ten Sleep and Worland 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 35 4 11 19 36 9 14 20 37 TEMP 16 16 16 17 15 13 12 12 27 36 28 21 17 15 16 17 28 36 30 DEWPT 10 10 11 11 10 9 8 7 16 19 16 12 10 9 8 9 14 16 15 RH 77 77 80 77 80 84 84 80 63 50 60 68 73 77 70 70 55 43 53 WIND DIR S S SE SE SE SE SE S S S SE SE S S S S S S SE WIND SPD 2 4 3 4 4 4 4 4 4 5 5 6 6 6 6 4 4 5 5 WIND GUST 13 16 16 16 17 18 16 14 17 CLOUDS SC SC SC FW FW FW FW FW FW FW FW FW FW SC B1 B2 B1 SC FW POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 10 10 9 6 6 5 21 22 13 8 6 5 6 23 MIN CHILL 4 6 2 -4 -4 16 3 -1 -1 18 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 15 41 18 42 MM 40 MM MM TEMP 20 18 32 35 27 22 34 35 MM MM MM MM MM MM MM MM DEWPT 11 11 19 20 17 15 20 22 21 20 24 21 14 11 17 18 PWIND DIR SE S SW S S S MM MM WIND CHAR LT LT GN LT GN LT MM MM AVG CLOUDS FW SC B1 B1 SC SC SC B1 MM MM MM MM MM MM MM MM POP 12HR 0 0 0 0 10 20 5 0 RAIN S SNOW S C S S $$ WYZ007-312315- Owl Creek and Bridger Mountains- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 26 32 37 12 17 21 25 30 38 10 17 22 24 33 40 TEMP 19 19 19 19 18 18 18 18 27 30 23 20 19 18 21 21 29 33 26 DEWPT 9 9 9 9 9 10 8 9 12 12 10 8 7 7 5 7 11 14 11 RH 64 64 64 64 67 70 64 67 53 46 57 59 59 61 49 54 46 45 52 WIND DIR SW NE S W W SW SW SW S S S SW SW SW SW SW SW W SW WIND SPD 5 5 4 5 5 5 6 6 8 9 8 9 9 10 10 10 10 10 9 WIND GUST 19 16 16 23 20 19 19 23 23 24 29 31 24 CLOUDS B1 SC SC SC FW FW FW FW FW FW FW FW FW SC B2 B1 SC FW FW POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 12 11 12 12 10 9 9 9 19 22 14 10 8 7 7 7 22 17 MIN CHILL 3 2 4 3 3 5 1 -1 -2 3 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 19 37 22 37 MM 34 MM MM TEMP 22 23 31 30 28 26 32 30 MM MM MM MM MM MM MM MM DEWPT 8 10 16 16 14 12 16 18 18 17 19 15 9 8 14 15 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS FW SC B1 B1 SC SC B1 SC MM MM MM MM MM MM MM MM POP 12HR 0 5 5 5 20 20 5 5 SNOW S C S S $$ WYZ008-312315- Bighorn Mountains West- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 14 29 39 2 14 23 16 29 38 10 19 26 11 29 40 TEMP 18 17 17 16 15 16 16 16 26 29 22 20 19 20 22 22 27 28 21 DEWPT 7 7 7 7 7 6 4 5 7 7 8 7 6 6 3 7 10 11 8 RH 61 64 64 67 70 64 58 61 44 39 54 56 56 54 43 52 48 48 56 WIND DIR W W N NE NE E SW S SW SW SW SW SW SW W SW W W SW WIND SPD 5 6 5 5 5 6 6 6 6 8 6 8 8 9 10 10 11 11 9 WIND GUST 17 23 19 17 16 17 17 17 23 24 17 20 20 25 28 36 40 37 32 CLOUDS SC SC SC SC FW FW FW FW FW FW FW FW FW SC B2 B2 B1 SC FW POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW S S WIND CHILL 10 8 8 7 6 7 7 7 18 21 14 11 10 10 9 9 18 21 11 MIN CHILL -8 -10 -12 -11 -7 -1 -3 -4 -5 -9 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 17 33 19 33 MM 31 MM MM TEMP 19 21 29 26 23 22 30 27 MM MM MM MM MM MM MM MM DEWPT 6 8 14 13 11 9 12 14 17 16 18 12 8 7 12 12 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS FW SC B1 B1 SC SC SC SC MM MM MM MM MM MM MM MM POP 12HR 0 5 5 5 20 20 5 0 SNOW S C S S $$ WYZ009-312315- Bighorn Mountains Southeast- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 16 32 43 3 15 27 17 31 41 10 20 30 12 32 43 TEMP 22 21 19 17 16 18 18 19 28 31 24 22 21 22 25 25 30 29 22 DEWPT 9 9 9 8 8 7 4 5 7 7 9 7 7 6 4 8 10 11 9 RH 57 59 64 67 70 61 53 54 40 36 52 52 54 49 40 48 42 46 57 WIND DIR W W W NW W W W W SW SW W W W W W W W W W WIND SPD 5 10 5 5 6 6 6 6 10 12 10 11 11 13 16 14 17 17 13 WIND GUST 19 26 16 16 17 17 26 27 20 23 24 31 32 40 42 39 34 CLOUDS B1 B1 B1 SC FW FW FW FW FW FW FW FW FW FW B1 B2 B1 SC FW POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 15 10 11 9 7 9 9 10 19 21 13 10 9 10 9 10 20 23 11 MIN CHILL -8 -10 -12 -11 -6 0 -3 -3 -4 -7 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 18 34 19 35 MM 33 MM MM TEMP 20 23 31 28 24 24 32 28 MM MM MM MM MM MM MM MM DEWPT 6 8 14 13 11 9 13 14 16 15 17 13 10 7 12 13 PWIND DIR W W W W W W MM MM WIND CHAR GN BZ BZ BZ GN GN MM MM AVG CLOUDS FW SC B1 B1 SC SC SC SC MM MM MM MM MM MM MM MM POP 12HR 0 0 5 0 10 20 5 0 SNOW S C S C $$ WYZ010-312315- Northeast Johnson County- Including the city of Buffalo 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 41 11 18 26 37 40 43 14 21 28 40 43 46 TEMP 22 22 22 22 20 20 19 19 34 40 31 26 22 22 23 25 36 41 34 DEWPT 15 15 15 15 14 13 12 11 17 18 17 15 13 12 10 12 17 18 17 RH 74 74 74 74 77 74 74 70 49 41 56 62 68 65 57 57 45 39 49 WIND DIR SW N SW SW SW SW SW SW S S S S S S SW SW W W SW WIND SPD 4 8 4 4 4 5 4 5 9 11 8 9 11 10 8 6 6 9 8 WIND GUST 16 19 24 26 28 24 18 20 19 CLOUDS SC SC SC SC FW FW FW FW FW FW FW FW FW FW B1 B2 B1 SC FW POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 13 16 14 12 12 12 27 33 24 16 11 11 11 14 27 MIN CHILL 9 7 7 4 4 21 6 3 5 19 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 20 47 22 46 MM 43 MM MM TEMP 26 25 39 39 32 27 39 37 MM MM MM MM MM MM MM MM DEWPT 13 13 19 19 18 15 18 20 20 19 23 22 17 15 19 20 PWIND DIR SW SW W S SW W MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS FW FW B1 B1 SC SC SC SC MM MM MM MM MM MM MM MM POP 12HR 0 0 5 5 10 20 5 0 RAIN S SNOW C S S $$ WYZ011-312315- Southeast Johnson County- Including the city of Kaycee 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 32 38 41 9 14 25 31 37 41 17 21 28 33 41 45 TEMP 25 23 21 19 16 16 15 15 28 37 30 24 22 22 24 26 35 39 32 DEWPT 16 15 14 13 11 11 9 8 17 22 19 14 13 13 11 14 18 19 17 RH 68 71 74 77 80 80 77 73 63 54 63 65 68 68 57 60 49 44 53 WIND DIR SW W SW SW SW SW SW SW S S SW SW SW SW SW SW SW W SW WIND SPD 5 8 4 4 4 5 5 5 9 11 12 13 14 17 16 12 12 12 11 WIND GUST 20 19 16 16 20 23 27 32 34 43 35 32 33 29 23 CLOUDS SC B1 B1 SC SC FW FW FW FW FW FW FW FW FW B1 B2 B1 SC SC POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 19 15 15 13 9 8 7 7 20 29 20 13 9 8 7 9 24 24 MIN CHILL 11 8 2 -1 -2 12 3 1 1 17 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 21 44 23 44 MM 41 MM MM TEMP 26 26 37 38 32 28 37 38 MM MM MM MM MM MM MM MM DEWPT 14 14 21 21 19 17 21 22 22 21 24 22 16 14 18 20 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR GN BZ GN GN GN GN MM MM AVG CLOUDS FW FW B1 B1 SC SC SC SC MM MM MM MM MM MM MM MM POP 12HR 0 0 0 0 10 20 5 0 RAIN S SNOW S C S C S $$ WYZ012-312315- Teton and Gros Ventre Mountains- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 11 21 30 -6 7 13 17 23 29 -1 9 16 11 20 28 TEMP 13 12 10 9 8 9 8 8 19 22 14 11 9 10 13 12 17 19 16 DEWPT 9 8 6 5 3 0 2 1 8 9 8 5 4 3 6 6 12 15 12 RH 84 84 83 83 79 66 76 72 61 57 76 76 80 73 73 76 80 84 84 WIND DIR SW W NW N N NE NE NE SW W SW SW SW SW SW SW SW SW SW WIND SPD 4 5 4 4 4 4 4 4 4 5 5 5 6 6 8 8 9 10 8 WIND GUST 17 20 17 17 17 16 17 17 20 23 20 17 19 23 26 27 29 28 26 CLOUDS B2 B2 B2 B1 SC SC SC SC FW FW FW FW SC B1 B1 B2 B2 B2 B2 POP 12HR 60 5 0 5 40 QPF 12HR 0.01-0.09 0 0 0 0.00-0.10 SNOW 12HR 1 00-00 00-00 SNOW C C C C C C C WIND CHILL 6 4 3 1 -1 0 0 -1 16 5 2 -1 0 -2 -2 6 9 4 MIN CHILL -4 -8 -11 -11 -15 -6 -9 -12 -12 -6 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 15 25 17 27 MM 23 MM MM TEMP 16 18 22 22 21 20 24 23 MM MM MM MM MM MM MM MM DEWPT 11 13 18 18 16 15 19 19 16 15 17 11 5 4 10 13 PWIND DIR SW SW SW SW S SW MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS B2 B2 OV OV B2 B2 B2 B2 MM MM MM MM MM MM MM MM POP 12HR 40 80 60 60 70 60 10 40 SNOW C C L L L C C C C L L C S S S $$ WYZ013-312315- Jackson Hole- Including the city of Jackson 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 20 25 28 -7 1 8 22 24 28 3 7 14 20 25 29 TEMP 14 12 10 7 6 4 2 1 16 24 18 12 11 10 12 11 18 23 21 DEWPT 10 8 6 4 3 -1 -1 -3 10 13 12 8 7 5 8 8 14 16 15 RH 84 84 83 87 87 79 87 83 77 62 77 84 83 80 84 87 84 74 77 WIND DIR S SW NW N NE NE NE NE SE W SW S S S S SW SW SW SW WIND SPD 3 3 3 3 3 3 3 3 2 3 4 4 4 4 5 5 6 6 6 WIND GUST 18 19 20 21 19 CLOUDS B2 B2 B1 B1 B1 B1 B1 SC FW FW FW FW SC B1 B1 B2 B2 OV B2 POP 12HR 50 5 0 5 30 QPF 12HR 0.01-0.06 0 0 0 0 SNOW 12HR T 00-00 00-00 SNOW C C C C C C C OBVIS PF PF PF WIND CHILL 6 -1 -2 -4 -6 12 5 2 1 -2 -3 8 15 11 MIN CHILL 3 -1 -10 -16 -18 6 -2 -7 -9 3 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 17 30 19 32 MM 28 MM MM TEMP 20 20 25 27 24 22 26 28 MM MM MM MM MM MM MM MM DEWPT 16 17 22 22 21 19 22 22 20 18 20 16 9 6 13 16 PWIND DIR SW SW SW S S SW MM MM WIND CHAR LT GN GN GN GN GN MM MM AVG CLOUDS B2 B2 OV OV B2 B2 B2 B2 MM MM MM MM MM MM MM MM POP 12HR 40 80 50 60 70 60 10 40 SNOW C C L L L C C C C L L C S S S $$ WYZ014-312315- Wind River Mountains West- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 14 25 31 0 7 17 15 24 31 2 8 18 6 20 30 TEMP 13 11 10 9 8 10 10 11 22 23 14 10 9 11 14 12 17 19 15 DEWPT 5 4 2 0 -1 -3 -4 -1 2 4 4 0 -1 -1 2 2 9 11 8 RH 70 73 69 66 66 55 52 57 41 43 64 63 63 57 58 63 70 70 73 WIND DIR W W NW N N N N NW W W W W W W W W W W W WIND SPD 6 8 6 6 6 5 5 6 5 8 8 9 9 11 10 11 13 14 11 WIND GUST 19 24 17 17 16 16 20 20 20 23 24 32 35 37 42 40 34 CLOUDS B2 B1 B1 SC FW FW FW FW FW FW FW FW FW SC B1 B1 SC B1 B1 POP 12HR 20 0 0 0 10 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW S S S S C C WIND CHILL 2 0 0 -2 -2 0 1 1 15 14 4 -2 -3 -3 -3 -3 7 8 0 MIN CHILL -11 -12 -13 -12 -11 -10 -13 -14 -13 -13 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 10 23 13 26 MM 23 MM MM TEMP 13 15 20 19 18 17 22 20 MM MM MM MM MM MM MM MM DEWPT 6 8 14 14 11 9 15 15 10 9 13 7 1 -1 6 7 PWIND DIR W W W W SW W MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS B1 B1 B2 B2 B2 B1 B1 B1 MM MM MM MM MM MM MM MM POP 12HR 10 40 20 40 50 50 5 20 SNOW S C C C C S C C C C C S S $$ WYZ015-312315- Wind River Mountains East- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 13 27 35 1 9 19 15 27 36 4 13 22 6 23 37 TEMP 16 15 13 12 11 13 13 12 25 26 17 15 14 15 19 18 21 22 17 DEWPT 4 3 1 0 0 -2 -2 -1 -1 1 4 0 1 1 3 3 8 9 6 RH 58 58 58 58 60 50 50 55 31 33 56 50 55 53 49 51 56 57 61 WIND DIR W NW NW NW W W W W W W W W W W W W W W W WIND SPD 8 9 6 6 6 6 6 8 8 10 9 11 11 16 17 18 18 18 16 WIND GUST 20 29 20 19 17 19 20 26 27 20 23 24 35 46 47 49 47 42 CLOUDS B2 B1 B1 SC FW FW FW FW FW FW FW FW FW SC B1 SC SC SC SC POP 12HR 5 0 0 0 5 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW S S S S WIND CHILL 6 3 3 1 0 2 2 1 17 16 6 1 1 0 0 -1 11 12 2 MIN CHILL -12 -13 -13 -13 -11 -10 -13 -14 -14 -14 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 14 25 16 28 MM 24 MM MM TEMP 16 18 23 21 20 19 25 22 MM MM MM MM MM MM MM MM DEWPT 5 8 12 11 9 7 13 13 9 9 10 5 1 0 5 7 PWIND DIR W W W W W W MM MM WIND CHAR BZ BZ BZ BZ BZ BZ MM MM AVG CLOUDS SC B1 B2 B1 B1 SC B1 B1 MM MM MM MM MM MM MM MM POP 12HR 5 30 20 30 40 40 5 20 SNOW C C C S S S C C C S $$ WYZ016-312315- Upper Wind River Basin- Including the city of Dubois 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 24 33 38 3 11 16 28 34 37 9 16 19 23 33 38 TEMP 22 20 18 15 13 12 12 12 29 33 24 19 17 16 23 23 30 32 26 DEWPT 11 10 9 8 7 6 6 7 9 9 8 8 6 6 8 9 12 12 11 RH 62 64 67 73 76 76 76 80 42 36 50 61 61 64 52 54 46 43 52 WIND DIR NW NW NW NW NW NW NW NW W W W NW W W NW W W W W WIND SPD 11 16 11 10 6 8 8 9 11 16 10 11 11 13 17 16 19 23 17 WIND GUST 24 33 24 20 19 23 24 29 23 24 23 29 42 39 43 41 36 CLOUDS B1 B1 B1 SC FW FW FW FW FW FW FW FW FW SC B1 SC SC SC SC POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW S S WIND CHILL 11 6 6 3 2 1 1 0 20 23 14 7 4 2 2 1 18 20 12 MIN CHILL 3 -3 -7 -9 -11 8 -2 -5 -5 5 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 20 36 21 38 MM 34 MM MM TEMP 22 24 33 31 27 25 33 31 MM MM MM MM MM MM MM MM DEWPT 11 14 17 16 16 14 17 18 15 14 15 10 6 5 11 11 PWIND DIR W W W W W W MM MM WIND CHAR BZ BZ BZ GN GN GN MM MM AVG CLOUDS SC SC B1 B1 SC SC SC B1 MM MM MM MM MM MM MM MM POP 12HR 5 30 20 20 30 30 5 10 SNOW S C C C S S C C C S $$ WYZ017-312315- Wind River Basin- Including the cities of Riverton and Shoshoni 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 29 33 37 2 10 16 27 31 35 3 10 19 30 36 39 TEMP 20 19 18 17 15 13 11 11 25 31 23 18 15 13 14 16 27 34 28 DEWPT 11 11 10 10 9 8 7 6 14 16 12 10 7 6 6 7 13 16 15 RH 67 70 70 73 77 80 83 80 62 53 62 70 70 73 70 67 55 47 58 WIND DIR S W NE NW W W SW SW S S S S S S SW SW SW W SW WIND SPD 5 6 4 5 5 5 5 5 5 8 5 8 8 9 9 9 10 11 10 WIND GUST 20 20 17 19 20 24 23 25 26 31 29 32 35 37 31 CLOUDS B1 B1 B1 SC FW FW FW FW FW FW CL CL FW FW B1 B1 SC SC FW POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 13 11 12 9 7 5 3 2 19 24 16 9 4 2 0 -1 20 28 18 MIN CHILL 1 5 0 -4 -5 9 -2 -7 -7 10 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 15 39 18 39 MM 37 MM MM TEMP 20 19 31 33 27 23 32 32 MM MM MM MM MM MM MM MM DEWPT 11 12 20 20 17 15 20 21 17 15 20 17 12 9 15 15 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS FW SC B1 B1 SC SC B1 B1 MM MM MM MM MM MM MM MM POP 12HR 0 0 0 5 20 20 5 0 SNOW S S S S S $$ WYZ018-312315- Lander Foothills- Including the city of Lander 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 33 1 11 18 31 4 13 20 36 TEMP 22 20 19 18 15 14 13 11 26 31 24 19 16 15 19 20 29 35 29 DEWPT 13 13 13 12 11 10 9 8 14 15 13 12 9 8 7 9 13 16 14 RH 68 74 77 77 84 84 84 87 60 51 62 74 73 73 59 62 51 45 53 WIND DIR S SW SW W W W SW SW S S SW SW SW SW SW SW SW W SW WIND SPD 4 4 4 4 4 4 5 5 4 5 5 6 8 8 8 8 8 8 9 WIND GUST 17 17 17 16 17 19 21 21 26 20 24 23 23 19 CLOUDS B1 B1 B1 SC FW FW FW FW FW FW CL CL FW FW B2 B1 SC SC FW POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 15 14 13 11 9 6 5 3 20 17 11 6 5 3 2 22 19 MIN CHILL 9 7 2 -4 -9 14 2 -2 -7 16 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 18 39 21 39 MM 37 MM MM TEMP 23 23 32 34 29 25 33 33 MM MM MM MM MM MM MM MM DEWPT 12 13 19 19 17 15 20 21 17 16 18 16 11 9 14 15 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR LT GN GN GN GN GN MM MM AVG CLOUDS SC SC B2 B1 SC SC B1 B1 MM MM MM MM MM MM MM MM POP 12HR 0 5 5 10 20 20 5 5 SNOW S S S $$ WYZ019-312315- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 22 28 35 2 10 19 19 26 33 4 11 20 18 28 36 TEMP 18 17 16 15 13 12 11 10 22 25 19 16 14 13 13 13 21 27 22 DEWPT 12 11 10 10 9 7 6 4 11 13 11 10 8 7 6 6 11 15 14 RH 77 77 77 80 84 80 80 76 62 60 70 77 76 76 73 73 65 60 71 WIND DIR SW W SW W NW NW W SW SW SW SW SW SW SW SW SW SW SW SW WIND SPD 11 10 5 5 5 4 5 5 6 10 11 13 14 18 16 14 17 18 14 WIND GUST 26 26 16 16 17 19 23 26 26 32 32 41 41 40 43 40 40 CLOUDS B2 B2 B2 B1 SC SC FW FW FW FW FW FW FW FW B1 B2 SC SC SC POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 5 4 7 6 5 4 2 1 13 15 7 1 -2 -4 -5 -6 10 15 9 MIN CHILL -3 -3 -4 -10 -14 -1 -8 -12 -13 0 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 15 32 18 33 MM 31 MM MM TEMP 18 19 26 28 24 22 28 27 MM MM MM MM MM MM MM MM DEWPT 11 13 19 20 18 16 20 19 18 15 18 17 12 9 12 15 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR BZ BZ BZ BZ GN GN MM MM AVG CLOUDS SC SC B1 B1 B1 SC B1 B1 MM MM MM MM MM MM MM MM POP 12HR 0 0 0 5 20 20 5 0 SNOW S S S S S $$ WYZ020-312315- Natrona County Lower Elevations- Including the city of Casper 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 29 33 39 6 12 20 27 32 38 11 17 23 30 35 40 TEMP 22 20 18 16 15 14 13 13 27 32 25 21 19 19 20 21 29 33 27 DEWPT 14 13 12 12 10 10 9 7 15 19 16 13 12 12 9 10 14 17 15 RH 71 74 77 84 80 84 84 76 60 58 68 71 74 74 62 62 53 51 60 WIND DIR SW W SW SW W SW SW SW SW SW SW SW SW SW SW SW SW SW SW WIND SPD 12 12 8 6 5 6 6 8 10 12 12 14 16 19 19 18 20 19 14 WIND GUST 31 26 19 17 17 19 23 26 27 33 34 44 44 41 42 37 29 CLOUDS B1 B1 B1 B1 SC SC FW FW FW FW CL FW FW FW SC B2 B1 SC FW POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 9 7 8 7 6 4 2 2 17 22 14 7 5 3 1 2 17 24 16 MIN CHILL 2 2 -2 -6 -7 9 0 -4 -4 10 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 19 38 22 39 MM 37 MM MM TEMP 22 24 33 33 29 26 34 33 MM MM MM MM MM MM MM MM DEWPT 13 15 20 21 19 18 21 21 22 21 21 20 15 13 15 18 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR BZ BZ BZ BZ BZ BZ MM MM AVG CLOUDS FW FW B1 B1 SC SC SC B1 MM MM MM MM MM MM MM MM POP 12HR 0 0 0 0 10 20 10 0 SNOW S S S S $$ WYZ022-312315- Casper Mountain- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 25 27 34 5 12 18 23 26 33 9 14 21 23 27 33 TEMP 17 17 16 15 13 14 13 13 21 25 20 17 15 16 17 17 23 26 22 DEWPT 11 11 10 10 8 8 7 6 11 16 13 11 8 9 8 8 12 15 13 RH 77 77 77 80 80 76 76 73 65 68 74 77 73 73 67 67 62 62 68 WIND DIR SW W SW S SE SE SW S SW SW SW SW SW SW SW SW SW SW SW WIND SPD 10 10 5 4 4 4 4 5 6 8 11 13 14 19 17 16 18 18 14 WIND GUST 24 24 19 20 23 27 28 36 44 41 42 37 33 CLOUDS B1 B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW SC B1 B1 SC FW POP 12HR 5 5 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 6 5 7 8 5 7 5 5 13 17 8 3 0 -1 -2 -2 6 13 7 MIN CHILL -1 -1 -1 -4 -4 4 -6 -9 -8 2 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 17 31 21 33 MM 31 MM MM TEMP 18 21 27 27 25 24 30 29 MM MM MM MM MM MM MM MM DEWPT 11 14 18 19 18 17 20 19 19 18 19 18 12 11 12 15 PWIND DIR SW SW SW SW SW SW MM MM WIND CHAR BZ BZ BZ BZ BZ GN MM MM AVG CLOUDS FW FW B1 B1 B1 SC SC SC MM MM MM MM MM MM MM MM POP 12HR 0 0 0 0 10 20 10 0 SNOW S S C S C S $$ WYZ023-312315- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 24 -4 3 9 25 1 6 12 20 26 28 TEMP 16 14 13 11 8 6 4 3 16 24 18 13 10 9 12 12 19 24 23 DEWPT 13 11 9 8 6 3 0 -1 11 16 13 10 7 5 9 10 16 19 18 RH 88 88 84 87 91 87 83 83 80 71 80 87 87 83 87 91 88 81 81 WIND DIR SW NW NW N N NE E E NE W S SE S S S S SW SW SW WIND SPD 1 2 2 2 2 2 2 2 1 2 3 4 4 4 3 3 3 4 3 WIND GUST 13 13 17 13 CLOUDS OV OV B2 B2 B1 B1 B1 SC FW FW FW FW SC B1 B1 B2 B2 OV B2 POP 12HR 50 10 0 0 20 QPF 12HR 0.03-0.09 0 0 0 0 SNOW 12HR 1 00-00 00-00 SNOW C C C C C C S OBVIS PF PF PF WIND CHILL 12 6 2 0 -3 -3 8 16 11 MIN CHILL 8 3 -7 -7 -8 8 -4 -10 -10 8 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 16 30 19 34 MM 28 MM MM TEMP 19 20 25 27 25 22 27 30 MM MM MM MM MM MM MM MM DEWPT 17 18 23 23 23 21 24 25 22 19 21 16 10 5 13 17 PWIND DIR SW SW SW S S SW MM MM WIND CHAR LT LT LT LT LT LT MM MM AVG CLOUDS B2 B2 OV OV OV B2 B2 B2 MM MM MM MM MM MM MM MM POP 12HR 30 70 40 60 70 60 10 40 SNOW S S L L C C C C L L L C S S S S $$ WYZ024-312315- Salt River and Wyoming Ranges- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 13 25 32 -7 7 13 18 25 31 -3 8 12 13 23 31 TEMP 13 12 11 10 8 10 10 10 22 24 16 11 8 10 14 13 20 22 19 DEWPT 9 7 6 5 3 -1 1 1 8 10 8 4 2 1 5 5 12 15 13 RH 84 80 80 80 79 60 66 66 54 54 70 73 76 66 67 70 71 74 77 WIND DIR W NW NW NW N N N N W W W W SW W W W W W W WIND SPD 5 8 6 6 6 6 6 6 6 8 5 5 5 6 8 8 10 12 10 WIND GUST 20 24 27 26 24 26 26 24 31 23 23 16 21 27 27 33 34 31 CLOUDS B2 B2 B2 B1 SC SC FW FW FW FW FW FW FW SC B1 B1 B1 B2 B2 POP 12HR 50 5 0 0 20 QPF 12HR 0.00-0.09 0 0 0 0 SNOW 12HR T 00-00 00-00 SNOW C C C C C C S WIND CHILL 4 1 0 -1 -3 -1 0 -1 15 16 7 2 -1 0 -1 -2 9 11 6 MIN CHILL -6 -10 -13 -17 -16 -7 -10 -12 -15 -5 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 14 27 17 30 MM 25 MM MM TEMP 16 18 24 24 22 21 27 25 MM MM MM MM MM MM MM MM DEWPT 11 13 18 19 17 15 19 19 15 13 16 11 4 2 9 12 PWIND DIR W W W SW SW W MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS B1 B1 B2 B2 B2 B1 B1 B2 MM MM MM MM MM MM MM MM POP 12HR 20 70 40 60 70 60 10 40 SNOW S S C C C C C C L L C C S S S $$ WYZ025-312315- Upper Green River Basin Foothills- Including the city of Pinedale 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 23 27 31 -11 1 14 24 27 30 -6 2 12 22 26 30 TEMP 10 8 7 5 3 4 4 3 20 26 17 9 5 5 9 9 20 25 20 DEWPT 6 4 3 2 0 -2 -1 -1 9 11 8 3 -1 -2 3 3 12 14 13 RH 83 83 83 87 87 75 79 83 62 52 67 76 76 72 76 76 71 62 74 WIND DIR NW NW NW N N N N N NW W NW N NW NW NW NW W W NW WIND SPD 3 6 5 5 4 4 4 4 4 5 3 4 4 4 4 4 6 10 6 WIND GUST 14 20 23 19 CLOUDS B2 B1 B1 SC FW FW FW FW FW FW FW FW FW SC B1 B1 B1 B1 B1 POP 12HR 20 0 0 0 5 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW S S S S S S S WIND CHILL 3 -3 -3 -5 -6 -5 -5 -5 20 0 -4 -2 -4 -3 11 16 9 MIN CHILL -3 -11 -14 -18 -20 5 -10 -14 -14 1 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 9 29 11 30 MM 28 MM MM TEMP 13 14 24 25 19 17 25 25 MM MM MM MM MM MM MM MM DEWPT 10 11 18 18 16 13 18 18 13 11 17 13 3 2 9 11 PWIND DIR W W W SW SW W MM MM WIND CHAR LT LT LT LT LT LT MM MM AVG CLOUDS B1 B2 OV B2 B2 B1 B2 B2 MM MM MM MM MM MM MM MM POP 12HR 5 50 20 40 50 50 5 20 SNOW S S C C C C S C C C C S S $$ WYZ026-312315- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 22 28 33 -7 0 9 20 25 31 -5 1 8 23 28 32 TEMP 10 9 8 8 5 3 1 1 17 25 18 9 5 3 5 5 19 27 22 DEWPT 8 7 6 4 2 0 -2 -3 8 10 9 5 1 -1 1 1 11 15 14 RH 91 91 91 83 87 87 87 83 67 52 67 83 83 83 83 83 70 60 71 WIND DIR NW NW NW NW N N N N W W SW NW W NW W W W W W WIND SPD 3 6 4 4 4 4 4 4 3 5 4 4 4 4 3 4 6 11 8 WIND GUST 13 16 16 16 17 16 18 16 16 24 29 27 CLOUDS B1 B1 B1 SC SC SC SC SC FW FW FW FW FW SC B2 B1 SC SC SC POP 12HR 5 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 4 -1 0 -1 -5 -6 -8 -8 18 12 2 -5 -6 -8 -8 10 19 11 MIN CHILL -3 -11 -13 -17 -18 3 -12 -15 -15 4 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 7 33 10 32 MM 31 MM MM TEMP 13 11 25 28 20 16 25 26 MM MM MM MM MM MM MM MM DEWPT 10 8 19 19 17 13 19 19 13 9 17 16 4 -1 9 13 PWIND DIR W W W SW SW W MM MM WIND CHAR LT GN GN LT LT LT MM MM AVG CLOUDS SC B1 B2 B1 B1 B1 B1 B1 MM MM MM MM MM MM MM MM POP 12HR 0 10 10 20 40 30 0 10 SNOW S S S S S S C C S $$ WYZ027-312315- South Lincoln County- Including the cities of Kemmerer and Cokeville 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 24 28 31 -4 6 12 20 25 29 -2 6 10 23 28 33 TEMP 17 15 14 12 10 8 7 6 18 24 18 13 9 8 9 10 21 27 23 DEWPT 15 13 11 9 7 5 3 2 10 14 12 9 5 4 6 5 14 17 17 RH 92 92 88 87 87 87 83 83 70 65 77 84 83 83 87 80 74 65 77 WIND DIR W NW NW NW NW NW N NW SW W W W W W SW W W W W WIND SPD 3 6 4 5 5 4 4 3 3 6 5 6 5 5 4 5 10 12 9 WIND GUST 17 17 18 26 26 20 CLOUDS B2 B2 B1 B1 SC SC SC SC FW FW FW FW FW SC B1 B1 SC SC SC POP 12HR 20 5 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW C WIND CHILL 11 5 6 4 1 1 -1 -1 17 11 4 0 -1 -4 -5 9 18 12 MIN CHILL 4 -1 -6 -10 -9 4 -4 -9 -10 7 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 13 33 15 34 MM 30 MM MM TEMP 16 16 27 28 22 19 27 28 MM MM MM MM MM MM MM MM DEWPT 13 12 21 22 20 16 21 22 18 14 18 17 8 4 10 15 PWIND DIR W W SW SW SW W MM MM WIND CHAR LT GN GN LT LT GN MM MM AVG CLOUDS SC B1 B2 B2 B1 B1 B1 B1 MM MM MM MM MM MM MM MM POP 12HR 0 20 10 30 40 40 0 20 SNOW S S S S C C S S $$ WYZ028-312315- Rock Springs and Green River- Including the cities of Rock Springs and Green River 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 23 29 32 -1 7 15 20 25 29 2 7 14 25 31 37 TEMP 17 16 15 14 12 10 8 7 20 25 20 15 11 10 8 9 23 30 26 DEWPT 16 14 13 12 10 7 5 3 11 13 13 11 8 6 4 5 13 17 18 RH 96 92 92 92 91 87 87 83 67 60 74 84 87 83 83 83 65 58 71 WIND DIR W NW W W NW NW NW NW W W SW SW SW SW SW SW W W W WIND SPD 3 6 4 4 4 3 3 3 4 5 5 6 5 5 4 5 10 14 11 WIND GUST 16 16 16 23 27 25 CLOUDS B2 B2 B2 B1 SC B1 B1 SC FW FW FW FW FW SC B2 B1 SC SC SC POP 12HR 10 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW WIND CHILL 6 8 8 6 18 13 6 2 0 -2 -3 13 20 14 MIN CHILL 2 0 -2 -7 -9 7 -4 -10 -11 8 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 12 36 15 35 MM 32 MM MM TEMP 17 14 28 31 23 19 28 30 MM MM MM MM MM MM MM MM DEWPT 13 11 21 23 19 16 21 22 17 13 18 18 10 5 11 15 PWIND DIR W SW W SW SW SW MM MM WIND CHAR GN GN GN LT LT LT MM MM AVG CLOUDS SC SC B2 B1 B1 SC B1 B1 MM MM MM MM MM MM MM MM POP 12HR 0 5 5 10 30 30 0 5 SNOW C C S S $$ WYZ029-312315- Flaming Gorge- 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 24 30 32 1 11 18 21 26 28 4 10 14 20 31 36 TEMP 18 18 17 16 15 13 12 12 22 26 21 16 13 12 11 12 23 30 25 DEWPT 16 15 14 13 12 11 9 8 12 14 12 11 9 8 6 7 12 17 16 RH 92 88 88 88 88 91 87 84 65 60 68 80 84 84 80 80 62 58 68 WIND DIR SW NW W W W W NW NW NW NW SW S SW SW S S SW W W WIND SPD 3 8 4 4 4 4 4 4 5 8 4 5 5 5 6 6 9 13 10 WIND GUST 19 17 17 16 16 20 20 24 25 23 CLOUDS B2 B2 B2 B1 B1 B1 B1 SC FW FW FW FW FW SC B2 B2 SC SC SC POP 12HR 10 0 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 SNOW WIND CHILL 7 10 8 7 6 6 5 14 18 14 8 4 3 1 1 17 22 14 MIN CHILL 6 1 0 -2 -7 5 -2 -6 -6 1 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 13 34 16 35 MM 32 MM MM TEMP 18 15 27 28 23 20 28 29 MM MM MM MM MM MM MM MM DEWPT 12 10 18 20 17 15 20 20 17 15 18 16 10 7 10 13 PWIND DIR SW SW SW S S SW MM MM WIND CHAR LT GN GN GN GN GN MM MM AVG CLOUDS SC SC B2 B1 B1 SC B1 B1 MM MM MM MM MM MM MM MM POP 12HR 0 0 5 10 30 30 0 5 SNOW C C C S $$ WYZ030-312315- East Sweetwater County- Including the city of Wamsutter 849 AM MST Thu Dec 31 2020 DATE Thu 12/31/20 Fri 01/01/21 Sat 01/02/21 MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 MAX/MIN 23 28 32 1 8 15 20 24 28 3 7 14 20 27 31 TEMP 16 15 14 13 11 10 8 8 20 24 17 13 11 10 8 9 20 25 21 DEWPT 13 12 11 10 9 7 6 5 11 13 11 9 8 7 5 6 12 16 15 RH 88 88 88 87 91 87 91 87 67 62 77 84 87 87 87 87 71 68 77 WIND DIR SW W W W NW NW NW W W W SW SW SW SW SW SW SW W W WIND SPD 6 9 4 5 5 4 4 4 5 8 8 9 10 11 10 10 13 16 12 WIND GUST 20 20 16 19 19 17 19 17 20 20 23 26 32 26 28 31 34 27 CLOUDS B2 B2 B2 B1 SC SC SC SC SC FW FW FW FW SC B1 B2 SC SC SC POP 12HR 5 5 0 0 0 QPF 12HR 0 0 0 0 0 SNOW 12HR 00-00 00-00 00-00 WIND CHILL 6 3 6 4 2 2 0 0 13 15 7 1 -2 -4 -6 -6 9 16 8 MIN CHILL 0 -1 -7 -12 -10 2 -7 -11 -12 0 DATE Sun 01/03/21 Mon 01/04/21 Tue 01/05/21 Wed 01/06/21 MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 MIN/MAX 12 30 14 31 MM 30 MM MM TEMP 15 14 24 25 20 17 25 25 MM MM MM MM MM MM MM MM DEWPT 13 11 18 19 17 15 19 19 17 14 19 17 12 9 13 15 PWIND DIR SW SW SW SW S SW MM MM WIND CHAR GN GN GN GN GN GN MM MM AVG CLOUDS SC SC B2 B2 B1 B1 B1 B1 MM MM MM MM MM MM MM MM POP 12HR 0 0 5 5 20 20 5 0 SNOW S S S C $$