376
FPUS86 KMFR 162139
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 PM PDT WED SEP 16 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 PM PDT WED SEP 16 2026
TONIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 51.
THURSDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 77.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 50.
FRIDAY
SUNNY. HIGHS AROUND 78.
FRIDAY NIGHT
CLEAR. LOWS AROUND 49.
SATURDAY
MOSTLY CLEAR. HIGHS AROUND 82.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 PM PDT WED SEP 16 2026
TONIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 52-53.
THURSDAY
MOSTLY CLOUDY. HIGHS AROUND 72.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
FRIDAY
SUNNY. HIGHS 74-75.
FRIDAY NIGHT
CLEAR. LOWS AROUND 50.
SATURDAY
MOSTLY CLEAR. HIGHS AROUND 78.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 PM PDT WED SEP 16 2026
TONIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 49.
THURSDAY
PARTLY CLOUDY. HIGHS AROUND 81.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 49.
FRIDAY
SUNNY. HIGHS AROUND 84.
FRIDAY NIGHT
CLEAR. LOWS AROUND 49.
SATURDAY
MOSTLY CLEAR. HIGHS AROUND 88.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 PM PDT WED SEP 16 2026
TONIGHT
PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
EVENING. LOWS 40-44.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 60. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN. LOWS 40-44.
FRIDAY
SUNNY. HIGHS 61-64.
FRIDAY NIGHT
CLEAR. LOWS 41-45.
SATURDAY
MOSTLY CLEAR. HIGHS 68-72.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 PM PDT WED SEP 16 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
LOWS AROUND 40. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 60. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND
40.
FRIDAY
SUNNY. HIGHS 62-65.
FRIDAY NIGHT
CLEAR. LOWS AROUND 40.
SATURDAY
MOSTLY CLEAR. HIGHS 69-72.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 PM PDT WED SEP 16 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
LOWS 36-38. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 54-59. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 37-38.
FRIDAY
SUNNY. HIGHS 60-65.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SATURDAY
MOSTLY CLEAR. HIGHS 67-72.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 PM PDT WED SEP 16 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING 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 30 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 60-62. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 41-43.
FRIDAY
SUNNY. HIGHS 66-69.
FRIDAY NIGHT
CLEAR. LOWS 41-44.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR.
HIGHS 73-76.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 PM PDT WED SEP 16 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY
WELL AFTER MIDNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 46-50. CHANCE OF PRECIPITATION
40 PERCENT.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 61-68. CHANCE OF
PRECIPITATION 30 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 47-51.
FRIDAY
SUNNY. HIGHS 67-74.
FRIDAY NIGHT
CLEAR. LOWS 47-52.
SATURDAY
MOSTLY CLEAR. HIGHS 72-79.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 PM PDT WED SEP 16 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS
42-45.
THURSDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 65-69. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 45-47.
FRIDAY
SUNNY. HIGHS 72-76.
FRIDAY NIGHT
CLEAR. LOWS AROUND 50.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR.
HIGHS AROUND 80.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 PM PDT WED SEP 16 2026
TONIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 38-39.
THURSDAY
SUNNY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65-66. CHANCE OF
PRECIPITATION 30 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS AROUND 40.
FRIDAY
SUNNY. HIGHS 71-73.
FRIDAY NIGHT
CLEAR. LOWS AROUND 42.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR.
HIGHS 77-78.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 PM PDT WED SEP 16 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. A 30 PERCENT CHANCE OF RAIN. LOWS AROUND 42.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 60. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 41-42. CHANCE
OF PRECIPITATION 40 PERCENT.
FRIDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
63-65.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 42.
SATURDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 70.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 PM PDT WED SEP 16 2026
TONIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE
OF RAIN AFTER MIDNIGHT. LOWS 42-43. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
56-59.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND
41.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
60-63.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 43.
SATURDAY
MOSTLY CLEAR. HIGHS 66-69.
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