672
FPUS86 KMFR 012352
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
452 PM PDT TUE SEP 1 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS
AROUND 50.
WEDNESDAY
CLOUDY. RAIN LIKELY IN THE MORNING, THEN RAIN IN THE
AFTERNOON. HIGHS AROUND 59. CHANCE OF RAIN 90 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 48. CHANCE OF RAIN
80 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 60. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS AROUND 48.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 67. CHANCE
OF PRECIPITATION 40 PERCENT.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
452 PM PDT TUE SEP 1 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS
51-52.
WEDNESDAY
CLOUDY. RAIN LIKELY IN THE MORNING, THEN RAIN IN THE
AFTERNOON. HIGHS 56-57. CHANCE OF RAIN 90 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 49. CHANCE OF RAIN
80 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 59. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS AROUND 48.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 60-62. CHANCE OF
PRECIPITATION 40 PERCENT.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY
WELL AFTER MIDNIGHT. A 10 PERCENT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 49.
WEDNESDAY
RAIN LIKELY IN THE MORNING, THEN RAIN IN THE
AFTERNOON. HIGHS AROUND 61. CHANCE OF RAIN NEAR 100 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN IN THE EVENING, THEN RAIN
LIKELY AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF RAIN 80 PERCENT.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 63. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS AROUND 48.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 70. CHANCE
OF PRECIPITATION 40 PERCENT.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN AFTER MIDNIGHT. LOWS 40-43. CHANCE OF PRECIPITATION
40 PERCENT.
WEDNESDAY
RAIN LIKELY IN THE MORNING, THEN RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 50.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
LOWS AROUND 40. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
RAIN LIKELY IN THE MORNING, THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 50.
CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
PATCHY FOG IN THE EVENING. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF RAIN. LOWS 37-39.
FRIDAY
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. CHANCE OF
RAIN IN THE MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN IN THE EVENING.
HIGHS 48-53. CHANCE OF PRECIPITATION 50 PERCENT.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 35-38. CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY
CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE
AFTERNOON. HIGHS 47-49. SOUTH WINDS AROUND 20 MPH. CHANCE OF RAIN
NEAR 100 PERCENT.
WEDNESDAY NIGHT
RAIN. LOWS AROUND 40. CHANCE OF RAIN NEAR
100 PERCENT.
THURSDAY
RAIN LIKELY IN THE MORNING, THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 47-49.
CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.
LOWS 33-35.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 50-53. CHANCE OF
PRECIPITATION 50 PERCENT.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 34-37. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY
RAIN LIKELY IN THE MORNING, THEN RAIN IN THE
AFTERNOON. HIGHS 45-49. SOUTH WINDS AROUND 20 MPH. CHANCE OF RAIN
NEAR 100 PERCENT.
WEDNESDAY NIGHT
RAIN. LOWS AROUND 40. SOUTHWEST WINDS AROUND
20 MPH IN THE EVENING BECOMING LIGHT. CHANCE OF RAIN NEAR
100 PERCENT.
THURSDAY
RAIN IN THE MORNING, THEN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 45-49. CHANCE OF
PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 31-34. CHANCE
OF PRECIPITATION 40 PERCENT.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 48-54. CHANCE OF
PRECIPITATION 40 PERCENT.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 41-43. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY
RAIN LIKELY IN THE MORNING, THEN RAIN IN THE
AFTERNOON. HIGHS AROUND 50. CHANCE OF RAIN NEAR 100 PERCENT.
WEDNESDAY NIGHT
RAIN. LOWS 42-44. CHANCE OF RAIN 90 PERCENT.
THURSDAY
RAIN IN THE MORNING, THEN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 51-52. CHANCE OF
PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
PATCHY FOG AFTER MIDNIGHT. LOWS 36-38.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 54-57. CHANCE OF
PRECIPITATION 40 PERCENT.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY WITH SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF RAIN AFTER MIDNIGHT. LOWS 47-51. CHANCE OF
PRECIPITATION 80 PERCENT.
WEDNESDAY
CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN IN
THE AFTERNOON. HIGHS 53-57. SOUTH WINDS AROUND 20 MPH IN THE
AFTERNOON. CHANCE OF RAIN 90 PERCENT.
WEDNESDAY NIGHT
RAIN. LOWS 45-47. CHANCE OF RAIN 80 PERCENT.
THURSDAY
RAIN IN THE MORNING, THEN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 53-57. CHANCE OF
PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN. LOWS 41-42.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
IN THE EVENING. HIGHS 53-60. CHANCE OF PRECIPITATION 30 PERCENT.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING, THEN CHANCE
OF RAIN AFTER MIDNIGHT. LOWS 45-50. SOUTHEAST WINDS AROUND 20 MPH
WELL AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN RAIN
IN THE AFTERNOON. HIGHS 51-55. SOUTHEAST WINDS 20 TO 25 MPH.
CHANCE OF RAIN 90 PERCENT.
WEDNESDAY NIGHT
RAIN. LOWS 45-46. SOUTHEAST WINDS 20 TO
25 MPH. CHANCE OF RAIN 80 PERCENT.
THURSDAY
RAIN IN THE MORNING, THEN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 53-56. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 40.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF RAIN. HIGHS 59-62.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN BECOMING
PARTLY CLOUDY. RAIN LIKELY IN THE EVENING, THEN CHANCE OF RAIN
AFTER MIDNIGHT. LOWS 37-38. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. PATCHY FROST IN THE MORNING. CHANCE
OF RAIN IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON. HIGHS
54-55. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY NIGHT
CLOUDY WITH RAIN. LOWS 44-45. SOUTHWEST WINDS
AROUND 20 MPH AFTER MIDNIGHT. CHANCE OF RAIN 80 PERCENT.
THURSDAY
MOSTLY CLOUDY. RAIN IN THE MORNING, THEN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 55. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
PATCHY FOG AFTER MIDNIGHT. LOWS 36-37.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF RAIN. HIGHS AROUND 60.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
452 PM PDT TUE SEP 1 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH
A 10 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 42-43.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN RAIN LIKELY IN THE AFTERNOON. HIGHS 53-54. SOUTHWEST WINDS
20 TO 25 MPH. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY NIGHT
RAIN. LOWS 42-43. SOUTHWEST WINDS 20 TO
25 MPH. CHANCE OF RAIN 80 PERCENT.
THURSDAY
RAIN IN THE MORNING, THEN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 50. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 38. CHANCE OF PRECIPITATION 80 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS
56-57.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
452 PM PDT TUE SEP 1 2026
TONIGHT
MOSTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND 20 MPH EARLY IN
THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 51-54. SOUTHWEST WINDS 20 TO 25 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN RAIN AFTER MIDNIGHT. LOWS 41-42. SOUTHWEST WINDS 20 TO
25 MPH. CHANCE OF RAIN 40 PERCENT.
THURSDAY
RAIN. HIGHS 47-49. SOUTHWEST WINDS AROUND 20 MPH.
CHANCE OF RAIN 90 PERCENT.
THURSDAY NIGHT
RAIN AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN RAIN AFTER MIDNIGHT. LOWS 38-39. CHANCE OF
PRECIPITATION 80 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN, THEN
MOSTLY CLEAR IN THE EVENING. HIGHS 52-55.
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