231
FPUS86 KMFR 300939
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
239 AM PDT WED SEP 30 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
239 AM PDT WED SEP 30 2026
TODAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS AROUND
73.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 48.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 77.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 49.
FRIDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 79.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
239 AM PDT WED SEP 30 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN BECOMING SUNNY.
HIGHS AROUND 70.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 74.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 52-53.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 75.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS AROUND 81.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 48.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS AROUND 84.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 49.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 86.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS 65-68.
TONIGHT
PARTLY CLOUDY. LOWS 41-46.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
68-72.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 44-48.
FRIDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS 69-73.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS AROUND 70.
TONIGHT
MOSTLY CLEAR. LOWS 39-42.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 71-74.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 42-44.
FRIDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 71-74.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS 66-71.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 69-75.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 42-44.
FRIDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 69-75.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS 71-73.
TONIGHT
MOSTLY CLEAR. LOWS 42-44.
THURSDAY
SUNNY. HIGHS 75-77.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 44-46.
FRIDAY
PARTLY CLOUDY. HIGHS 75-78.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS 70-77.
TONIGHT
CLEAR. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS 74-81.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 50-55.
FRIDAY
PARTLY CLOUDY. HIGHS 74-82.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS 78-82.
TONIGHT
CLEAR. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS 82-85.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 51-55.
FRIDAY
PARTLY CLOUDY. HIGHS 81-85.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS 77-79.
TONIGHT
CLEAR. LOWS AROUND 43.
THURSDAY
SUNNY. HIGHS 81-82.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 46-47.
FRIDAY
PARTLY CLOUDY. HIGHS 80-82.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS 73-74.
TONIGHT
MOSTLY CLEAR. LOWS 43-44.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
76-77.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 46-47.
FRIDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 76-78.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
239 AM PDT WED SEP 30 2026
TODAY
SUNNY. HIGHS 69-72.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 46.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 72-75.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50.
FRIDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 72-75.
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