177
FPUS86 KMFR 200939
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
239 AM PDT SUN SEP 20 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
239 AM PDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS AROUND 81.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 51.
MONDAY
MOSTLY CLOUDY. HIGHS AROUND 75.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 49.
TUESDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 68.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
239 AM PDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS
AROUND 78.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 54.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 72-73.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
51-52.
TUESDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLEAR. HIGHS 65-66.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
239 AM PDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN BECOMING SUNNY.
HIGHS AROUND 88.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 51.
MONDAY
PARTLY CLOUDY. HIGHS AROUND 85.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 50.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 78.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
239 AM PDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 70-74.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 46-49.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 70-73.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 43-47.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
63-65.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
239 AM PDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 71-74.
TONIGHT
MOSTLY CLEAR. LOWS 44-46.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 71-74.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
42-44.
TUESDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 65-67.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
239 AM PDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 69-74.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 42-45.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 69-75.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
41-43.
TUESDAY
MOSTLY CLEAR. HIGHS 62-68.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
239 AM PDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 74-77.
TONIGHT
PARTLY CLOUDY. LOWS 46-48.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 75-77.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
44-46.
TUESDAY
MOSTLY CLEAR. HIGHS AROUND 70.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
239 AM PDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 74-81.
TONIGHT
PARTLY CLOUDY. LOWS 52-57.
MONDAY
PARTLY CLOUDY. HIGHS 73-81.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
50-53.
TUESDAY
MOSTLY CLEAR. HIGHS 67-74.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
239 AM PDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY LATE IN THE MORNING
THEN BECOMING PARTLY CLOUDY. HIGHS 80-83.
TONIGHT
PARTLY CLOUDY. LOWS 52-55.
MONDAY
PARTLY CLOUDY. HIGHS 80-84.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
50-53.
TUESDAY
MOSTLY CLEAR. HIGHS AROUND 80.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
239 AM PDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY LATE IN THE MORNING
THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 80.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 47.
MONDAY
PARTLY CLOUDY. HIGHS AROUND 80.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
45-46.
TUESDAY
MOSTLY CLEAR. HIGHS 75-77.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
239 AM PDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE LATE MORNING
AND EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY. HIGHS 73-74.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 46.
MONDAY
MOSTLY CLOUDY. HIGHS 74-76.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 47-48.
TUESDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 73-74.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
239 AM PDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY LATE IN THE MORNING
THEN BECOMING PARTLY CLOUDY THEN BECOMING SUNNY LATE IN THE
AFTERNOON. HIGHS AROUND 70.
TONIGHT
MOSTLY CLOUDY. LOWS 48-49.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 70-73.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
TUESDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 70-73.
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