033
FPUS86 KMFR 200938
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 AM PDT TUE OCT 20 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. PATCHY FOG
IN THE MORNING. HIGHS AROUND 74.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 43.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 76.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. PATCHY FOG IN THE MORNING.
A 20 PERCENT CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 62.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 65-66.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 47-48.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 69.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 47-48.
THURSDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. HIGHS 57-58.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING MOSTLY CLOUDY. HIGHS AROUND 74.
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 42.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 78.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. HIGHS
AROUND 68.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY UNTIL EARLY AFTERNOON THEN BECOMING MOSTLY
CLOUDY. HIGHS AROUND 60.
TONIGHT
MOSTLY CLOUDY. LOWS 37-41.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 61-64.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 36-41.
THURSDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
51-52.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY LATE IN THE MORNING
THEN BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY LATE IN
THE AFTERNOON. HIGHS 59-62.
TONIGHT
MOSTLY CLOUDY. LOWS 35-37.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 62-65.
WEDNESDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 35-37.
THURSDAY
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN. HIGHS
50-53.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY LATE IN THE MORNING
THEN BECOMING PARTLY CLOUDY. HIGHS 55-60.
TONIGHT
MOSTLY CLOUDY. LOWS 34-36.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 59-63.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY
CLOUDY WITH A CHANCE OF RAIN AFTER MIDNIGHT. LOWS 33-35.
THURSDAY
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN. HIGHS
47-52.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY LATE IN THE MORNING
THEN BECOMING PARTLY CLOUDY. HIGHS 62-64.
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 40.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 63-66.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY
CLOUDY WITH A CHANCE OF RAIN AFTER MIDNIGHT. LOWS 36-39.
THURSDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
40 PERCENT CHANCE OF RAIN. HIGHS 50-53.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY. HIGHS 60-66.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 45-50.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
63-69.
WEDNESDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 44-49.
THURSDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
30 PERCENT CHANCE OF RAIN. HIGHS 51-58.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 63-68. SOUTH WINDS AROUND
20 MPH EARLY IN THE AFTERNOON BECOMING LIGHT.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 42-45.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE AFTERNOON.
HIGHS 66-70.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
RAIN. PATCHY FOG AFTER MIDNIGHT. LOWS 40-43.
THURSDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. PATCHY FOG
IN THE MORNING. A 40 PERCENT CHANCE OF RAIN. HIGHS 56-61.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 AM PDT TUE OCT 20 2026
TODAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 64-66.
TONIGHT
MOSTLY CLOUDY. LOWS 37-38.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 66-67.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
RAIN. LOWS AROUND 36.
THURSDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
50 PERCENT CHANCE OF RAIN. HIGHS 55-56.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 AM PDT TUE OCT 20 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 63-65.
TONIGHT
MOSTLY CLOUDY. LOWS 38-39.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY
WITH A CHANCE OF RAIN IN THE AFTERNOON. HIGHS 63-64.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS AROUND
40. CHANCE OF RAIN 60 PERCENT.
THURSDAY
MOSTLY CLOUDY. RAIN, THEN CHANCE OF RAIN IN THE
EVENING. HIGHS AROUND 50. CHANCE OF RAIN 80 PERCENT.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 AM PDT TUE OCT 20 2026
TODAY
MOSTLY CLOUDY. HIGHS AROUND 60. SOUTHEAST WINDS AROUND
20 MPH EARLY IN THE MORNING BECOMING LIGHT.
TONIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS 41-42.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 56-58.
WEDNESDAY NIGHT
RAIN AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN RAIN AFTER MIDNIGHT. LOWS AROUND 42. CHANCE OF
PRECIPITATION 80 PERCENT.
THURSDAY
RAIN, THEN RAIN LIKELY IN THE EVENING. HIGHS 44-47.
NORTHWEST WINDS AROUND 20 MPH IN THE EVENING. CHANCE OF RAIN
80 PERCENT.
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