018
FPUS86 KMFR 311003
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
303 AM PDT MON MAR 31 2025
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
303 AM PDT MON MAR 31 2025
TODAY
MOSTLY CLOUDY. RAIN SHOWERS, SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO SNOW
ACCUMULATION. HIGHS AROUND 46. GUSTS UP TO 25 MPH IN THE LATE
MORNING AND AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.
TONIGHT
CLOUDY WITH RAIN AND SNOW SHOWERS. NO SNOW
ACCUMULATION. LOWS AROUND 35. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY
CLOUDY. RAIN AND SNOW SHOWERS IN THE MORNING, THEN
RAIN SHOWERS IN THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS AROUND
46. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING,
THEN CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT. LOWS AROUND
35. CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN THE
MORNING, THEN SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS
IN THE EVENING. HIGHS AROUND 47. CHANCE OF PRECIPITATION
80 PERCENT.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
303 AM PDT MON MAR 31 2025
TODAY
RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. NO SNOW ACCUMULATION. HIGHS AROUND 43. CHANCE OF
PRECIPITATION 80 PERCENT.
TONIGHT
RAIN AND SNOW SHOWERS. LITTLE OR NO SNOW ACCUMULATION.
LOWS 33-34. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY
RAIN AND SNOW SHOWERS IN THE MORNING, THEN RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO
SNOW ACCUMULATION. HIGHS AROUND 44. CHANCE OF PRECIPITATION
80 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING,
THEN CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT. LOWS 33-34.
CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS IN
THE MORNING, THEN RAIN AND SNOW SHOWERS LIKELY IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS IN THE EVENING. HIGHS AROUND 44. CHANCE
OF PRECIPITATION 60 PERCENT.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
303 AM PDT MON MAR 31 2025
TODAY
CLOUDY WITH RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS AROUND 45. CHANCE OF PRECIPITATION
90 PERCENT.
TONIGHT
RAIN SHOWERS. LOWS AROUND 35. CHANCE OF SHOWERS NEAR
100 PERCENT.
TUESDAY
CLOUDY. RAIN AND SNOW SHOWERS IN THE MORNING, THEN
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
NO SNOW ACCUMULATION. HIGHS AROUND 47. CHANCE OF PRECIPITATION
80 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS. LOWS AROUND 34.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS IN
THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. SLIGHT CHANCE
OF SHOWERS IN THE EVENING. HIGHS AROUND 48. CHANCE OF
PRECIPITATION 60 PERCENT.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
303 AM PDT MON MAR 31 2025
TODAY
SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO 2 INCHES. HIGHS
35-36. CHANCE OF SNOW 90 PERCENT.
TONIGHT
SNOW SHOWERS. SNOW ACCUMULATION AROUND 3 INCHES. LOWS
23-25. CHANCE OF SNOW 90 PERCENT.
TUESDAY
SNOW SHOWERS. SNOW ACCUMULATION AROUND 1 INCH. HIGHS
35-37. CHANCE OF SNOW 80 PERCENT.
TUESDAY NIGHT
SNOW SHOWERS IN THE EVENING, THEN SNOW SHOWERS
LIKELY AFTER MIDNIGHT. LOWS 25-27. CHANCE OF SNOW 90 PERCENT.
WEDNESDAY
SNOW SHOWERS LIKELY IN THE MORNING, THEN SNOW
SHOWERS IN THE AFTERNOON. SNOW SHOWERS LIKELY IN THE EVENING.
HIGHS 34-35. CHANCE OF SNOW 90 PERCENT.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
303 AM PDT MON MAR 31 2025
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM PDT TUESDAY
TODAY
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. SNOW
ACCUMULATION OF 3 TO 4 INCHES. HIGHS 32-35. CHANCE OF
PRECIPITATION 90 PERCENT.
TONIGHT
SNOW SHOWERS. SNOW ACCUMULATION OF 5 TO 6 INCHES. LOWS
22-23. CHANCE OF SNOW 80 PERCENT.
TUESDAY
SNOW SHOWERS. SNOW ACCUMULATION OF 2 TO 3 INCHES.
HIGHS 33-36. CHANCE OF SNOW 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SNOW SHOWERS IN THE EVENING, THEN
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS 22-23. CHANCE OF SNOW
80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. SNOW SHOWERS LIKELY IN THE MORNING,
THEN SNOW SHOWERS IN THE AFTERNOON. CHANCE OF SNOW SHOWERS IN THE
EVENING. HIGHS 32-35. CHANCE OF SNOW 80 PERCENT.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
303 AM PDT MON MAR 31 2025
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM PDT TUESDAY
TODAY
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. SNOW
ACCUMULATION OF 5 TO 6 INCHES. HIGHS 30-36. CHANCE OF
PRECIPITATION 90 PERCENT.
TONIGHT
SNOW SHOWERS. SNOW ACCUMULATION AROUND 11 INCHES. LOWS
21-24. CHANCE OF SNOW 90 PERCENT.
TUESDAY
SNOW SHOWERS. SNOW ACCUMULATION OF 3 TO 4 INCHES.
HIGHS 32-37. CHANCE OF SNOW 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY IN THE
EVENING, THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS 21-25.
CHANCE OF SNOW 60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN SNOW SHOWERS IN THE AFTERNOON. CHANCE OF SNOW
SHOWERS IN THE EVENING. HIGHS 32-37. CHANCE OF SNOW 80 PERCENT.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
303 AM PDT MON MAR 31 2025
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM PDT TUESDAY
TODAY
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. SNOW
ACCUMULATION OF 4 TO 5 INCHES. HIGHS 34-36. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
TONIGHT
SNOW SHOWERS. SNOW ACCUMULATION OF 7 TO 8 INCHES. LOWS
24-26. CHANCE OF SNOW 90 PERCENT.
TUESDAY
SNOW SHOWERS. SNOW ACCUMULATION OF 4 TO 6 INCHES.
HIGHS 34-36. CHANCE OF SNOW 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY IN THE
EVENING, THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS 23-26.
CHANCE OF SNOW 60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. CHANCE OF
SNOW SHOWERS IN THE EVENING. HIGHS 35-36. CHANCE OF SNOW
70 PERCENT.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
303 AM PDT MON MAR 31 2025
TODAY
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH.
HIGHS AROUND 40. CHANCE OF PRECIPITATION 80 PERCENT.
TONIGHT
SNOW SHOWERS. SNOW ACCUMULATION OF 5 TO 6 INCHES. LOWS
AROUND 30. CHANCE OF SNOW 90 PERCENT.
TUESDAY
SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO 2 INCHES.
HIGHS 36-39. CHANCE OF SNOW 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW
SHOWERS. LOWS 27-29.
WEDNESDAY
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW SHOWERS
IN THE AFTERNOON. HIGHS AROUND 40.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
303 AM PDT MON MAR 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
5 PM PDT TUESDAY...
TODAY
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. SNOW
ACCUMULATION UP TO 1 INCH. HIGHS 38-42. CHANCE OF PRECIPITATION
90 PERCENT.
TONIGHT
SNOW SHOWERS. SNOW ACCUMULATION OF 4 TO 5 INCHES. LOWS
AROUND 30. CHANCE OF SNOW NEAR 100 PERCENT.
TUESDAY
SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO 2 INCHES.
HIGHS AROUND 40. CHANCE OF SNOW 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS
IN THE EVENING, THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. LOWS 26-28. CHANCE OF PRECIPITATION 30 PERCENT.
WEDNESDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 39-42.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
303 AM PDT MON MAR 31 2025
..WINTER STORM WARNING IN EFFECT UNTIL 5 PM PDT TUESDAY
TODAY
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. SNOW
ACCUMULATION AROUND 1 INCH. HIGHS AROUND 40. CHANCE OF
PRECIPITATION 80 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH SNOW SHOWERS. SNOW ACCUMULATION
AROUND 4 INCHES. LOWS AROUND 26. CHANCE OF SNOW 80 PERCENT.
TUESDAY
CLOUDY WITH SNOW SHOWERS. SNOW ACCUMULATION OF 3 TO
5 INCHES. HIGHS AROUND 40. CHANCE OF SNOW 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW
SHOWERS. LOWS 24-25.
WEDNESDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. HIGHS
40-42.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
303 AM PDT MON MAR 31 2025
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM PDT TUESDAY
TODAY
SNOW SHOWERS. SNOW ACCUMULATION OF 3 TO 4 INCHES. HIGHS
35-37. CHANCE OF SNOW 90 PERCENT.
TONIGHT
SNOW SHOWERS. SNOW ACCUMULATION AROUND 5 INCHES. LOWS
AROUND 24. CHANCE OF SNOW 80 PERCENT.
TUESDAY
SNOW SHOWERS. SNOW ACCUMULATION AROUND 5 INCHES. HIGHS
35-37. CHANCE OF SNOW 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW
SHOWERS. LOWS AROUND 22.
WEDNESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW SHOWERS
IN THE AFTERNOON AND EVENING. HIGHS 36-37.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
303 AM PDT MON MAR 31 2025
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM PDT TUESDAY
TODAY
SNOW SHOWERS. SNOW ACCUMULATION AROUND 5 INCHES. HIGHS
30-32. SOUTHWEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH
UNTIL EARLY AFTERNOON BECOMING LIGHT. CHANCE OF SNOW 90 PERCENT.
TONIGHT
SNOW SHOWERS LIKELY IN THE EVENING, THEN SNOW SHOWERS
AFTER MIDNIGHT. SNOW ACCUMULATION AROUND 3 INCHES. LOWS 22-23.
CHANCE OF SNOW 60 PERCENT.
TUESDAY
SNOW SHOWERS. SNOW ACCUMULATION OF 7 TO 8 INCHES.
HIGHS 29-32. CHANCE OF SNOW 80 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW
SHOWERS. LOWS 21-22.
WEDNESDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
20 PERCENT CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS 31-33.
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