478
FPUS86 KMFR 210643
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
1143 PM PDT MON APR 20 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
MOSTLY CLOUDY. RAIN LIKELY LATE IN THE
EVENING, THEN RAIN AFTER MIDNIGHT. LOWS AROUND 44. CHANCE OF RAIN
90 PERCENT.
TUESDAY
CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 54. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
LOWS AROUND 41. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN RAIN
IN THE AFTERNOON. HIGHS AROUND 54. CHANCE OF RAIN 80 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS AROUND 39.
THURSDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 61.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
RAIN. LOWS AROUND 41. CHANCE OF RAIN
80 PERCENT.
TUESDAY
MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 48-49. CHANCE OF
PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 40. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
RAIN LIKELY IN THE AFTERNOON. HIGHS 47-48. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS 36-38.
THURSDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
55-57.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
MOSTLY CLOUDY. RAIN LATE IN THE EVENING, THEN
RAIN LIKELY AFTER MIDNIGHT. LOWS AROUND 42. CHANCE OF RAIN
90 PERCENT.
TUESDAY
MOSTLY CLOUDY. RAIN LIKELY AND CHANCE OF THUNDERSTORMS
IN THE MORNING, THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 56. CHANCE OF PRECIPITATION
80 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 41. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
RAIN LIKELY IN THE AFTERNOON. HIGHS AROUND 55. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS AROUND 36.
THURSDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 65.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
RAIN LATE IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT. LOWS AROUND 40. CHANCE OF RAIN 80 PERCENT.
TUESDAY
RAIN IN THE MORNING, THEN RAIN SHOWERS, SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO SNOW
ACCUMULATION. HIGHS 45-46. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN AND SNOW. LITTLE OR NO SNOW
ACCUMULATION. LOWS 31-34. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY
SNOW IN THE MORNING, THEN RAIN AND SNOW IN THE
AFTERNOON. HIGHS 38-39. WEST WINDS AROUND 20 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 30. WEST
WINDS AROUND 20 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY CLEAR IN THE AFTERNOON AND EVENING. HIGHS
AROUND 50.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
RAIN LATE IN THE EVENING, THEN RAIN AND SNOW
AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS 34-36. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY
RAIN AND SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO
SNOW ACCUMULATION. HIGHS 43-46. CHANCE OF PRECIPITATION
90 PERCENT.
TUESDAY NIGHT
CLOUDY. RAIN SHOWERS, SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LOWS 28-29. WEST WINDS
AROUND 20 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY
SNOW. HIGHS 37-39. WEST WINDS 20 TO 25 MPH. CHANCE
OF SNOW 90 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 23-26. WEST WINDS
AROUND 20 MPH. CHANCE OF SNOW 70 PERCENT.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY CLEAR IN THE AFTERNOON AND EVENING. HIGHS
49-52.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
RAIN AND SNOW. LITTLE OR NO SNOW ACCUMULATION.
LOWS 31-36. SOUTHEAST WINDS AROUND 20 MPH WELL AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY
RAIN, SNOW AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SNOW SHOWERS AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS 40-44. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. SNOW
ACCUMULATION OF 1 TO 2 INCHES. LOWS 26-30. WEST WINDS AROUND
20 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY
SNOW. HIGHS 33-39. WEST WINDS AROUND 20 MPH. CHANCE
OF SNOW 90 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 23-26. WEST WINDS
AROUND 20 MPH. CHANCE OF SNOW 60 PERCENT.
THURSDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING CLEAR. HIGHS 47-52.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
RAIN AND SNOW. NO SNOW ACCUMULATION. LOWS
36-37. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY
MOSTLY CLOUDY. RAIN, SNOW AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS, CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. NO SNOW
ACCUMULATION. HIGHS 44-46. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
RAIN SHOWERS, SNOW AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 1 INCH. LOWS 30-32. CHANCE OF
PRECIPITATION 80 PERCENT.
WEDNESDAY
SNOW LIKELY IN THE MORNING, THEN RAIN AND SNOW IN
THE AFTERNOON. HIGHS 40-43. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN AND
SNOW IN THE EVENING. LOWS AROUND 30.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
52-54.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
RAIN LATE IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT. LOWS AROUND 40. CHANCE OF RAIN 80 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 46-51. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS, SNOW AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AND
SNOW AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS 36-38. CHANCE OF
PRECIPITATION 80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN AND
SNOW. HIGHS 44-50.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 33-36.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
53-59.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
RAIN. LOWS 36-38. CHANCE OF RAIN 90 PERCENT.
TUESDAY
CHANCE OF 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.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS, SNOW AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW LIKELY
AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS 32-33. CHANCE OF
PRECIPITATION 90 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 46-51.
CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 30.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 60.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
MOSTLY CLOUDY. RAIN LATE IN THE EVENING, THEN
RAIN AND SNOW AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS AROUND
35. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,
THEN RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS
AROUND 50. CHANCE OF PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS, SNOW AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SNOW AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 1 INCH. LOWS AROUND 31. CHANCE OF
PRECIPITATION 80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN
CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 48-49. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 26-27.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING CLEAR.
HIGHS AROUND 60.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
AFTER MIDNIGHT. LOWS 38-39.
TUESDAY
MOSTLY CLOUDY. RAIN AND SNOW IN THE MORNING, THEN
RAIN, SNOW AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
NO SNOW ACCUMULATION. HIGHS 46-47. CHANCE OF PRECIPITATION
80 PERCENT.
TUESDAY NIGHT
RAIN SHOWERS, SNOW LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SNOW AFTER MIDNIGHT. SNOW
ACCUMULATION AROUND 1 INCH. LOWS 32-33. CHANCE OF PRECIPITATION
80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. HIGHS 42-43. SOUTHWEST WINDS
20 TO 25 MPH. CHANCE OF SNOW 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
AND SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
27-28. WEST WINDS AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
52-54.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
1143 PM PDT MON APR 20 2026
REST OF TONIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN AND
SNOW AFTER MIDNIGHT. LOWS 37-38. SOUTH WINDS 20 TO 25 MPH WITH
GUSTS TO AROUND 40 MPH SHIFTING TO THE SOUTHWEST WELL AFTER
MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. RAIN AND SNOW IN THE MORNING, THEN
RAIN, SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. NO SNOW ACCUMULATION. HIGHS 42-43. CHANCE OF
PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
RAIN SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SNOW AFTER MIDNIGHT.
SNOW ACCUMULATION AROUND 5 INCHES. LOWS 31-32. WEST WINDS 20 TO
25 MPH. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. SNOW IN THE MORNING, THEN CHANCE OF
SNOW IN THE AFTERNOON. HIGHS 37-38. WEST WINDS 20 TO 30 MPH.
CHANCE OF SNOW 80 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW IN
THE EVENING. LOWS AROUND 30. WEST WINDS 20 TO 25 MPH.
THURSDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS 48-49.
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