953
FPUS86 KMFR 202139
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 PM PDT SUN SEP 20 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 PM PDT SUN SEP 20 2026
TONIGHT
PARTLY CLOUDY. LOWS AROUND 52.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 73.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 49.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 67.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 46.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 70.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 PM PDT SUN SEP 20 2026
TONIGHT
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY
WELL AFTER MIDNIGHT. LOWS 54-55.
MONDAY
PARTLY CLOUDY. HIGHS AROUND 71.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 50-52.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 64.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45-46.
WEDNESDAY
PARTLY CLOUDY. HIGHS 66-67.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 PM PDT SUN SEP 20 2026
TONIGHT
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY
WELL AFTER MIDNIGHT. LOWS AROUND 51.
MONDAY
PARTLY CLOUDY. HIGHS AROUND 83.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 49.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 76.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
WEDNESDAY
PARTLY CLOUDY. HIGHS AROUND 77.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 PM PDT SUN SEP 20 2026
TONIGHT
MOSTLY CLEAR. LOWS 46-49.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 69-73.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 42-46.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
62-64.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 36-41.
WEDNESDAY
PARTLY CLOUDY. HIGHS 61-63.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 PM PDT SUN SEP 20 2026
TONIGHT
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLEAR. LOWS 44-46.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 70-73.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
41-43.
TUESDAY
PARTLY CLOUDY. HIGHS 63-66.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 36-37.
WEDNESDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS
61-64.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 PM PDT SUN SEP 20 2026
TONIGHT
PARTLY CLOUDY. LOWS 43-45.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 68-74.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 40.
TUESDAY
PARTLY CLOUDY. HIGHS 61-67.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 35-37.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 59-65.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 PM PDT SUN SEP 20 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR LATE IN THE
EVENING THEN BECOMING PARTLY CLOUDY. LOWS 46-49.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 73-76.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
43-45.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 66-69.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
WEDNESDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS
65-68.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 PM PDT SUN SEP 20 2026
TONIGHT
PARTLY CLOUDY. LOWS 53-59.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 72-79.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
50-53.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 65-72.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 44-46.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 65-73.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 PM PDT SUN SEP 20 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY LATE IN THE
EVENING THEN BECOMING PARTLY CLOUDY. LOWS 52-55.
MONDAY
PARTLY CLOUDY. HIGHS 79-83.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
49-52.
TUESDAY
SUNNY. HIGHS 76-79.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45-47.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 75-78.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 PM PDT SUN SEP 20 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY LATE IN THE
EVENING THEN BECOMING PARTLY CLOUDY. LOWS AROUND 47.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS AROUND 80.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 45.
TUESDAY
SUNNY. HIGHS 74-76.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 73-75.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 PM PDT SUN SEP 20 2026
TONIGHT
PARTLY CLOUDY. LOWS 47-48.
MONDAY
MOSTLY CLOUDY. HIGHS 75-76.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 48-49.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 73-75.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 44-45.
WEDNESDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 72-73.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 PM PDT SUN SEP 20 2026
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 49.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 70-73.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 48.
TUESDAY
SUNNY. HIGHS 69-72.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS 46-47.
WEDNESDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 70-73.
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