####018015460#### WWUS45 KCYS 170838 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 238 AM MDT Thu Apr 17 2025 WYZ103-112-114-180000- /O.UPG.KCYS.WS.A.0007.000000T0000Z-250418T1800Z/ /O.NEW.KCYS.WS.W.0010.250417T0838Z-250418T1800Z/ North Laramie Range-Sierra Madre Range-Snowy Range- Including the cities of Centennial, Garrett, and Albany 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY... * WHAT...Heavy snow possible. Total snow accumulations between 12 and 18 inches possible. Higher amounts possible in the peaks. Winds could gust as high as 50 mph. * WHERE...Sierra Madre Range, Snowy Range, and North Laramie Range. * WHEN...Until noon MDT Friday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Outdoor recreation will be dangerous. Snowmobilers may become lost or disoriented due to low visibility from falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ104-180000- /O.UPG.KCYS.WS.A.0007.250417T0900Z-250418T1200Z/ /O.NEW.KCYS.WS.W.0010.250417T0900Z-250418T1200Z/ Ferris/Seminoe/Shirley Mountains- Including the cities of Seminoe Dam 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 and 11 inches. Locally higher amounts possible. Winds gusting as high as 40 mph. * WHERE...Ferris/Seminoe/Shirley Mountains. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ116-180000- /O.UPG.KCYS.WS.A.0007.250417T1500Z-250418T1800Z/ /O.NEW.KCYS.WS.W.0010.250417T1500Z-250418T1800Z/ South Laramie Range- Including the cities of Vedauwoo, Buford, and Pumpkin Vine 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT FROM 9 AM THIS MORNING TO NOON MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches. Locally higher amounts possible. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 9 AM this morning to noon MDT Friday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling snow. Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ101-180000- /O.UPG.KCYS.WS.A.0007.250417T1800Z-250418T1800Z/ /O.NEW.KCYS.WS.W.0010.250417T1800Z-250418T1800Z/ Converse County Lower Elevations- Including the cities of Glenrock, Bill, Deer Creek, and Douglas 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO NOON MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 9 inches. Locally higher amounts possible. Winds gusting as high as 40 mph. * WHERE...Converse County Lower Elevations. * WHEN...From noon today to noon MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ105-180000- /O.UPG.KCYS.WS.A.0007.250417T1800Z-250418T1800Z/ /O.NEW.KCYS.WS.W.0010.250417T1800Z-250418T1800Z/ Shirley Basin- Including the cities of Shirley Basin and Medicine Bow 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO NOON MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches. Locally higher amounts possible. * WHERE...Shirley Basin. * WHEN...From noon today to noon MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ102-180000- /O.UPG.KCYS.WS.A.0007.250417T2100Z-250418T1800Z/ /O.NEW.KCYS.WS.W.0010.250417T2100Z-250418T1800Z/ Niobrara County- Including the cities of Redbird and Lusk 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches. Locally higher amounts possible. Winds gusting as high as 40 mph. * WHERE...Niobrara County. * WHEN...From 3 PM this afternoon to noon MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ109-180000- /O.UPG.KCYS.WS.A.0007.250417T2100Z-250418T1800Z/ /O.NEW.KCYS.WS.W.0010.250417T2100Z-250418T1800Z/ Central Carbon County- Including the cities of Rawlins 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches. Locally higher amounts possible. Winds gusting as high as 40 mph. * WHERE...Central Carbon County. * WHEN...From 3 PM this afternoon to noon MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ110-180000- /O.UPG.KCYS.WS.A.0007.250417T2100Z-250419T0000Z/ /O.NEW.KCYS.WS.W.0010.250417T2100Z-250419T0000Z/ North Snowy Range Foothills- Including the cities of Elk Mountain and Arlington 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 8 inches. Locally higher amounts possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 3 PM this afternoon to 6 PM MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ106-180000- /O.UPG.KCYS.WS.A.0007.250418T0000Z-250419T0000Z/ /O.NEW.KCYS.WS.W.0010.250418T0000Z-250419T0000Z/ Central Laramie Range and Southwest Platte County- Including the cities of Bordeaux 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches. Locally higher amounts possible. Winds gusting as high as 35 mph. * WHERE...Central Laramie Range and Southwest Platte County. * WHEN...From 6 PM this evening to 6 PM MDT Friday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ117-180000- /O.UPG.KCYS.WS.A.0007.250418T0300Z-250419T0000Z/ /O.NEW.KCYS.WS.W.0010.250418T0300Z-250419T0000Z/ South Laramie Range Foothills- Including the cities of Federal, Horse Creek, and Whitaker 238 AM MDT Thu Apr 17 2025 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches. Locally higher amounts possible. * WHERE...South Laramie Range Foothills. * WHEN...From 9 PM this evening to 6 PM MDT Friday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ107-180000- /O.UPG.KCYS.WS.A.0007.250418T0000Z-250419T0000Z/ /O.NEW.KCYS.WW.Y.0027.250418T0000Z-250419T0000Z/ East Platte County- Including the cities of Wheatland and Guernsey 238 AM MDT Thu Apr 17 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 6 inches. Locally higher amounts possible. * WHERE...East Platte County. * WHEN...From 6 PM this evening to 6 PM MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ113-115-180000- /O.UPG.KCYS.WS.A.0007.250418T0000Z-250419T0000Z/ /O.NEW.KCYS.WW.Y.0027.250418T0000Z-250419T0000Z/ Upper North Platte River Basin-Laramie Valley- Including the cities of Bosler, Encampment, Saratoga, and Laramie 238 AM MDT Thu Apr 17 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Locally higher amounts possible. * WHERE...Upper North Platte River Basin and Laramie Valley. * WHEN...From 6 PM this evening to 6 PM MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ118-180000- /O.UPG.KCYS.WS.A.0007.250418T0300Z-250419T0000Z/ /O.NEW.KCYS.WW.Y.0027.250418T0300Z-250419T0000Z/ Central Laramie County- Including the cities of Cheyenne 238 AM MDT Thu Apr 17 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Locally higher amounts possible. * WHERE...Central Laramie County. * WHEN...From 9 PM this evening to 6 PM MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NEZ002-095-180000- /O.NEW.KCYS.WW.Y.0027.250417T2100Z-250418T1800Z/ Dawes County-Northern Sioux County- Including the cities of Harrison, Chadron, and Chadron St Park 238 AM MDT Thu Apr 17 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. Locally higher amounts possible. Winds gusting as high as 40 mph. * WHERE...Dawes County and Northern Sioux County. * WHEN...From 3 PM this afternoon to noon MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ108-180000- /O.NEW.KCYS.WW.Y.0027.250418T0000Z-250419T0000Z/ Goshen County- Including the cities of Torrington 238 AM MDT Thu Apr 17 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Locally higher amounts possible. * WHERE...Goshen County. * WHEN...From 6 PM this evening to 6 PM MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ119-180000- /O.NEW.KCYS.WW.Y.0027.250418T0300Z-250419T0000Z/ East Laramie County- Including the cities of Pine Bluffs 238 AM MDT Thu Apr 17 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. Locally higher amounts possible. * WHERE...East Laramie County. * WHEN...From 9 PM this evening to 6 PM MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Mose