####018006042####
FPUS86 KMFR 311900

TVLMFR



FORECAST FOR MOUNTAIN PASSES

NATIONAL WEATHER SERVICE MEDFORD, OR

1100 AM PST SAT JAN 31 2026



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CANYON CREEK PASS-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS AROUND 57. 

.TONIGHT...MOSTLY CLOUDY. RAIN LIKELY AFTER MIDNIGHT. LOWS AROUND

39. CHANCE OF RAIN 60 PERCENT. 

.SUNDAY...MOSTLY CLOUDY WITH RAIN LIKELY IN THE MORNING, THEN

PARTLY CLOUDY WITH A CHANCE OF RAIN IN THE AFTERNOON. HIGHS

AROUND 53. CHANCE OF RAIN 60 PERCENT. 

.SUNDAY NIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY

CLOUDY. LOWS AROUND 35. 

.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

AROUND 57. 



$$



SEXTON SUMMIT-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 52-55. 

.TONIGHT...MOSTLY CLOUDY. RAIN LIKELY AFTER MIDNIGHT. LOWS AROUND

40. CHANCE OF RAIN 60 PERCENT. 

.SUNDAY...MOSTLY CLOUDY WITH RAIN LIKELY IN THE MORNING, THEN

PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN THE AFTERNOON.

HIGHS AROUND 48. CHANCE OF RAIN 60 PERCENT. 

.SUNDAY NIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY

CLOUDY. LOWS 35-38. 

.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

52-53. 



$$



HAYES HILL SUMMIT-

LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS AROUND 55. 

.TONIGHT...MOSTLY CLOUDY. RAIN LIKELY AFTER MIDNIGHT. LOWS AROUND

39. CHANCE OF RAIN 60 PERCENT. 

.SUNDAY...MOSTLY CLOUDY WITH RAIN LIKELY IN THE MORNING, THEN

PARTLY CLOUDY WITH A CHANCE OF RAIN IN THE AFTERNOON. HIGHS

AROUND 51. CHANCE OF RAIN 70 PERCENT. 

.SUNDAY NIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY

CLOUDY. LOWS AROUND 34. 

.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

AROUND 54. 



$$



WILLAMETTE PASS-

LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS AROUND 50. 

.TONIGHT...MOSTLY CLOUDY. LOWS 32-36. 

.SUNDAY...MOSTLY CLOUDY WITH RAIN AND SNOW LIKELY IN THE MORNING,

THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW IN THE

AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS AROUND 40.

CHANCE OF PRECIPITATION 70 PERCENT. 

.SUNDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND

SNOW IN THE EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS 26-29. 

.MONDAY...PARTLY CLOUDY THEN CLEARING. PATCHY FOG IN THE MORNING.

HIGHS 46-47. 



$$



DIAMOND LAKE SUMMIT-

LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 47-51. 

.TONIGHT...MOSTLY CLOUDY. LOWS 27-29. 

.SUNDAY...MOSTLY CLOUDY WITH SNOW LIKELY IN THE MORNING, THEN

PARTLY CLOUDY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.

HIGHS 39-42. CHANCE OF SNOW 60 PERCENT. 

.SUNDAY NIGHT...PARTLY CLOUDY. LOWS 22-24. 

.MONDAY...PARTLY CLOUDY THEN CLEARING. HIGHS 46-49. 



$$



CRATER LAKE-

LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 46-48. 

.TONIGHT...MOSTLY CLOUDY. LOWS 26-29. 

.SUNDAY...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW IN THE

MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 38-42. 

.SUNDAY NIGHT...PARTLY CLOUDY. LOWS 21-25. 

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

CLEAR. HIGHS 45-48. 



$$



LAKE OF THE WOODS-

LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 50-53. 

.TONIGHT...MOSTLY CLOUDY. LOWS 31-34. 

.SUNDAY...MOSTLY CLOUDY WITH A CHANCE OF SNOW IN THE MORNING,

THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN THE AFTERNOON.

HIGHS 44-46. CHANCE OF PRECIPITATION 30 PERCENT. 

.SUNDAY NIGHT...MOSTLY CLEAR. LOWS 26-29. 

.MONDAY...MOSTLY CLEAR. HIGHS AROUND 50. 



$$



SISKIYOU SUMMIT-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 51-55. 

.TONIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.

LOWS 35-41. 

.SUNDAY...PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN THE

MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 48-52. 

.SUNDAY NIGHT...MOSTLY CLEAR. LOWS 31-36. 

.MONDAY...MOSTLY CLEAR. HIGHS 51-55. 



$$



BLACK BUTTE SUMMIT-

LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 53-56. 

.TONIGHT...MOSTLY CLOUDY. LOWS 36-37. 

.SUNDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

50-53. 

.SUNDAY NIGHT...MOSTLY CLEAR. LOWS 30-32. 

.MONDAY...MOSTLY CLEAR. HIGHS 52-55. 



$$



GRASS LAKE/MT HEBRON SUMMIT-

LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 55-56. 

.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY

CLOUDY. LOWS AROUND 31. 

.SUNDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

51-52. 

.SUNDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 27. 

.MONDAY...MOSTLY CLEAR. HIGHS 54-55. 



$$



WARNER MOUNTAIN SUMMIT-

LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...MOSTLY CLOUDY. HIGHS 53-54. 

.TONIGHT...MOSTLY CLOUDY. LOWS AROUND 34. 

.SUNDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

AROUND 49. 

.SUNDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 29. 

.MONDAY...MOSTLY CLEAR. HIGHS AROUND 51. 



$$



CEDAR PASS-

LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51

1100 AM PST SAT JAN 31 2026



.REST OF TODAY...PARTLY CLOUDY LATE IN THE MORNING THEN BECOMING

MOSTLY CLOUDY. HIGHS 52-53. 

.TONIGHT...MOSTLY CLOUDY. LOWS 37-39. 

.SUNDAY...PARTLY CLOUDY. HIGHS 46-47. 

.SUNDAY NIGHT...MOSTLY CLEAR. LOWS 31-32. 

.MONDAY...MOSTLY CLEAR. HIGHS 48-49. 



$$



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