202
FPUS86 KMFR 042139
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 PM PDT FRI SEP 4 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 PM PDT FRI SEP 4 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 49. CHANCE OF
PRECIPITATION 30 PERCENT.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 71.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 49.
SUNDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS
AROUND 64.
SUNDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE
EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 51.
LABOR DAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. PATCHY
FOG IN THE MORNING. HIGHS AROUND 73.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 PM PDT FRI SEP 4 2026
TONIGHT
PARTLY CLOUDY. LOWS 47-48.
SATURDAY
PARTLY CLOUDY. HIGHS 66-67.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND
50.
SUNDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN. HIGHS
62-63.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS AROUND 50.
LABOR DAY
MOSTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 70.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 PM PDT FRI SEP 4 2026
TONIGHT
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLEAR. LOWS AROUND 46.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 77.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 48.
SUNDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN. HIGHS
AROUND 68.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS AROUND 48.
LABOR DAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 78.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 PM PDT FRI SEP 4 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 40.
CHANCE OF PRECIPITATION 70 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 55-59.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS 41-43.
SUNDAY
CLOUDY WITH SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
HIGHS 52-53. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG IN THE EVENING. RAIN
LIKELY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 40-43. CHANCE OF RAIN 60 PERCENT.
LABOR DAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
58-62.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 PM PDT FRI SEP 4 2026
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 31-33. CHANCE OF
PRECIPITATION 50 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS AROUND 60.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS AROUND 40.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 50-52. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE
EVENING. PATCHY FOG IN THE EVENING. LOWS 33-35.
LABOR DAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. PATCHY
FOG IN THE MORNING. HIGHS 61-63.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 PM PDT FRI SEP 4 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 30-32. CHANCE
OF PRECIPITATION 40 PERCENT.
SATURDAY
PARTLY CLOUDY. HIGHS 54-60.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS 37-39.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 48-52. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE
EVENING. PATCHY FOG IN THE EVENING. LOWS 32-35.
LABOR DAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. PATCHY
FOG IN THE MORNING. HIGHS 58-64.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 PM PDT FRI SEP 4 2026
TONIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 35-38.
SATURDAY
PARTLY CLOUDY. HIGHS 62-65.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS 42-43.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 53-54. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS AROUND 40.
LABOR DAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
64-67.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 PM PDT FRI SEP 4 2026
TONIGHT
PARTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS 43-44.
SATURDAY
SUNNY. HIGHS 61-68.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 30 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS
46-48.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 56-60. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 43-46.
LABOR DAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
61-69.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 PM PDT FRI SEP 4 2026
TONIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 41-44.
SATURDAY
SUNNY. HIGHS 66-70.
SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 46-47.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 60-62. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 43-45.
LABOR DAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
AROUND 70.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 PM PDT FRI SEP 4 2026
TONIGHT
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS AROUND 34.
SATURDAY
SUNNY. HIGHS 66-68.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF RAIN AFTER MIDNIGHT. LOWS 41-42.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS AROUND 60. CHANCE OF PRECIPITATION
80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 35-36.
LABOR DAY
SUNNY THEN BECOMING CLEAR. HIGHS 67-69.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 PM PDT FRI SEP 4 2026
TONIGHT
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLEAR. LOWS 37-38.
SATURDAY
SUNNY. HIGHS 61-62.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41-42.
SUNDAY
MOSTLY CLOUDY WITH RAIN LIKELY. HIGHS 56-57. CHANCE OF
RAIN 60 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH RAIN LIKELY IN THE EVENING,
THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 36-37. CHANCE OF RAIN 60 PERCENT.
LABOR DAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
61-62.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 PM PDT FRI SEP 4 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS 38-39.
SATURDAY
SUNNY. HIGHS AROUND 60.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 42-43.
SUNDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
55-57. CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 38.
LABOR DAY
MOSTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING CLEAR. HIGHS 56-59.
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