147
FPUS86 KMFR 220351
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
851 PM PDT MON SEP 21 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. LOWS AROUND 48.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 67.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 45.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 70.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 47.
THURSDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE
EVENING. HIGHS AROUND 79.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. LOWS AROUND 50.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
63-64.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46-47.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 67-68.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS 47-48.
THURSDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE
EVENING. HIGHS 71-72.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR IN
THE LATE EVENING AND EARLY MORNING THEN BECOMING PARTLY CLOUDY.
LOWS AROUND 47.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 76.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 45.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 78.
LOWS 45-47.
THURSDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE
EVENING. HIGHS AROUND 80.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. LOWS 41-45.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
60-63.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 36-41.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 63-65.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 42-46.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE EVENING. HIGHS 65-67.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. LOWS 40-42.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
62-65.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 36-37.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 64-66.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE EVENING. HIGHS 65-67.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
60-66.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 35-37.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 62-67.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE EVENING. HIGHS 62-68.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
AFTER MIDNIGHT THEN BECOMING MOSTLY CLEAR. LOWS 42-45.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 64-68.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 37-39.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 70.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 41-44.
THURSDAY
PARTLY CLOUDY, THEN MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF RAIN IN THE EVENING. HIGHS 69-72.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN
CLEARING. LOWS 48-53.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
64-71.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 44-45.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 66-73.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 50.
THURSDAY
PARTLY CLOUDY, THEN MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF RAIN IN THE EVENING. HIGHS 69-76.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN
CLEARING. LOWS AROUND 50.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 74-78.
TUESDAY NIGHT
CLEAR. LOWS 44-47.
WEDNESDAY
PARTLY CLOUDY. HIGHS 76-79.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
HIGHS 75-79.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN
CLEARING. LOWS AROUND 43.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
73-74.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 73-75.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS AROUND 42.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 75-77.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR IN
THE LATE EVENING AND EARLY MORNING THEN BECOMING PARTLY CLOUDY.
LOWS AROUND 48.
TUESDAY
PARTLY CLOUDY. HIGHS 71-73.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 43-44.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 72-73.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 46.
THURSDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS
73-75.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
851 PM PDT MON SEP 21 2026
REST OF TONIGHT
MOSTLY CLEAR EARLY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. LOWS 46-47.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 70.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 69-72. LOWS
45-48.
THURSDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS
70-74.
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