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FPUS86 KMFR 111533

TVLMFR



FORECAST FOR MOUNTAIN PASSES

NATIONAL WEATHER SERVICE MEDFORD, OR

833 AM PDT SUN MAY 11 2025



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CANYON CREEK PASS-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN IN

THE AFTERNOON. HIGHS AROUND 59. 

.TONIGHT...CLOUDY WITH RAIN. LOWS AROUND 41. CHANCE OF RAIN

90 PERCENT. 

.MONDAY...CLOUDY. RAIN IN THE MORNING, THEN RAIN SHOWERS AND

SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 53.

CHANCE OF PRECIPITATION 80 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE

OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER

MIDNIGHT. LOWS AROUND 42. CHANCE OF PRECIPITATION 60 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE

MORNING. HIGHS AROUND 57. 



$$



SEXTON SUMMIT-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN IN

THE AFTERNOON. HIGHS 55-56. 

.TONIGHT...RAIN. LOWS 40-42. CHANCE OF RAIN 90 PERCENT. 

.MONDAY...RAIN LIKELY IN THE MORNING, THEN RAIN SHOWERS AND

SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 51.

CHANCE OF PRECIPITATION 90 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN IN THE

EVENING. LOWS 40-42. 

.TUESDAY...MOSTLY CLOUDY. HIGHS 54-55. 



$$



HAYES HILL SUMMIT-

LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...CLOUDY EARLY IN THE MORNING, THEN PARTLY CLOUDY

WITH A 10 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS AROUND

59. 

.TONIGHT...CLOUDY WITH RAIN. LOWS AROUND 42. CHANCE OF RAIN

90 PERCENT. 

.MONDAY...CLOUDY. RAIN IN THE MORNING, THEN RAIN SHOWERS AND

SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 55.

CHANCE OF PRECIPITATION 80 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN IN THE

EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 42. 

.TUESDAY...MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. HIGHS AROUND

61. 



$$



WILLAMETTE PASS-

LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN IN

THE AFTERNOON. HIGHS AROUND 50. 

.TONIGHT...MOSTLY CLOUDY. RAIN AND SNOW. SNOW ACCUMULATION UP TO

1 INCH. LOWS 32-34. CHANCE OF PRECIPITATION 80 PERCENT. 

.MONDAY...RAIN AND SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW

SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW

ACCUMULATION UP TO 1 INCH. HIGHS 40-43. CHANCE OF PRECIPITATION

NEAR 100 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. RAIN AND SNOW IN THE EVENING, THEN

CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 32-34. CHANCE OF

PRECIPITATION 80 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,

THEN CHANCE OF RAIN IN THE AFTERNOON AND EVENING. HIGHS 41-43.

CHANCE OF PRECIPITATION 40 PERCENT. 



$$



DIAMOND LAKE SUMMIT-

LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 47-49. 

.TONIGHT...MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING, THEN SNOW

AFTER MIDNIGHT. SNOW ACCUMULATION OF 3 TO 5 INCHES. LOWS AROUND

30. CHANCE OF SNOW 80 PERCENT. 

.MONDAY...SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW SHOWERS

AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW

ACCUMULATION OF 1 TO 2 INCHES. HIGHS 40-43. CHANCE OF

PRECIPITATION NEAR 100 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING, THEN

CHANCE OF SNOW AFTER MIDNIGHT. LOWS 29-32. CHANCE OF SNOW

70 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN

CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 40-43. CHANCE OF

PRECIPITATION 40 PERCENT. 



$$



CRATER LAKE-

LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...CLOUDY. HIGHS 45-50. 

.TONIGHT...MOSTLY CLOUDY WITH SNOW. SNOW ACCUMULATION OF 4 TO

7 INCHES. LOWS AROUND 30. CHANCE OF SNOW 80 PERCENT. 

.MONDAY...SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW SHOWERS

AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW

ACCUMULATION OF 2 TO 3 INCHES. HIGHS 38-44. CHANCE OF

PRECIPITATION NEAR 100 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING, THEN

CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 30. CHANCE OF SNOW

70 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN

CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 40-45. CHANCE OF

PRECIPITATION 40 PERCENT. 



$$



LAKE OF THE WOODS-

LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 51-53. 

.TONIGHT...MOSTLY CLOUDY WITH RAIN AND SNOW. SNOW ACCUMULATION OF

1 TO 3 INCHES. LOWS 30-32. CHANCE OF PRECIPITATION 90 PERCENT. 

.MONDAY...SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW SHOWERS

AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW

ACCUMULATION UP TO 1 INCH. HIGHS 43-45. CHANCE OF PRECIPITATION

90 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. RAIN AND SNOW IN THE EVENING, THEN

SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 31-33. CHANCE OF

PRECIPITATION 80 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN AND SNOW.

HIGHS 44-46. 



$$



SISKIYOU SUMMIT-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 54-59. 

.TONIGHT...MOSTLY CLOUDY. RAIN IN THE EVENING, THEN RAIN AND SNOW

AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS 36-38. CHANCE OF

PRECIPITATION 90 PERCENT. 

.MONDAY...RAIN AND SNOW IN THE MORNING, THEN RAIN SHOWERS AND

SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO SNOW

ACCUMULATION. HIGHS 45-50. CHANCE OF PRECIPITATION 90 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT

CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 37-39. CHANCE OF

PRECIPITATION 50 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. HIGHS 48-52. 



$$



BLACK BUTTE SUMMIT-

LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...MOSTLY CLOUDY EARLY IN THE MORNING THEN

CLEARING. HIGHS 60-63. 

.TONIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING,

THEN RAIN AND SNOW AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS

35-38. CHANCE OF PRECIPITATION 90 PERCENT. 

.MONDAY...RAIN AND SNOW IN THE MORNING, THEN RAIN SHOWERS AND

SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO SNOW

ACCUMULATION. HIGHS 46-51. CHANCE OF PRECIPITATION 80 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT

CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 35-37. CHANCE OF

PRECIPITATION 50 PERCENT. 

.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY

CLOUDY. HIGHS 52-56. 



$$



GRASS LAKE/MT HEBRON SUMMIT-

LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING

PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS

AROUND 60. SOUTHWEST WINDS AROUND 20 MPH LATE IN THE AFTERNOON. 

.TONIGHT...PARTLY CLOUDY WITH RAIN AND SNOW LIKELY IN THE

EVENING, THEN CLOUDY WITH RAIN AND SNOW AFTER MIDNIGHT. LITTLE OR

NO SNOW ACCUMULATION. LOWS AROUND 33. CHANCE OF PRECIPITATION

80 PERCENT. 

.MONDAY...SNOW IN THE MORNING, THEN RAIN SHOWERS AND SLIGHT

CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO SNOW

ACCUMULATION. HIGHS AROUND 50. CHANCE OF PRECIPITATION

90 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. SHOWERS, SNOW SHOWERS LIKELY AND

SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 32.

CHANCE OF PRECIPITATION 60 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. HIGHS 51-53. 



$$



WARNER MOUNTAIN SUMMIT-

LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...SUNNY EARLY IN THE MORNING THEN BECOMING PARTLY

CLOUDY. HIGHS AROUND 60. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS

TO AROUND 40 MPH IN THE AFTERNOON. 

.TONIGHT...PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH

A 30 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 34.

SOUTHWEST WINDS 20 TO 25 MPH. 

.MONDAY...SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW SHOWERS

AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO

SNOW ACCUMULATION. HIGHS 45-46. CHANCE OF PRECIPITATION

90 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. SHOWERS, SNOW SHOWERS LIKELY AND

SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE

OF SNOW AFTER MIDNIGHT. LOWS AROUND 31. CHANCE OF PRECIPITATION

60 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE OF RAIN IN THE

AFTERNOON AND EVENING. HIGHS 48-49. CHANCE OF PRECIPITATION

40 PERCENT. 



$$



CEDAR PASS-

LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51

833 AM PDT SUN MAY 11 2025



.REST OF TODAY...SUNNY EARLY IN THE MORNING THEN BECOMING PARTLY

CLOUDY. HIGHS 57-59. SOUTHWEST WINDS AROUND 30 MPH WITH GUSTS TO

AROUND 45 MPH. 

.TONIGHT...MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY WITH

SNOW AFTER MIDNIGHT. LOWS 32-33. SOUTHWEST WINDS 25 TO 30 MPH. 

.MONDAY...SNOW IN THE MORNING, THEN SNOW SHOWERS AND SLIGHT

CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION

AROUND 2 INCHES. HIGHS 39-42. WEST WINDS AROUND 20 MPH IN THE

AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. SNOW SHOWERS LIKELY AND SLIGHT

CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SNOW AFTER

MIDNIGHT. LOWS 31-32. WEST WINDS AROUND 20 MPH IN THE EVENING

BECOMING LIGHT. CHANCE OF PRECIPITATION 70 PERCENT. 

.TUESDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN

CHANCE OF RAIN AND SNOW IN THE AFTERNOON AND EVENING. HIGHS

43-45. CHANCE OF PRECIPITATION 40 PERCENT. 



$$



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