263
FPUS86 KMFR 100701
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
1200 AM PDT THU SEP 10 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
CLEAR. LOWS AROUND 56.
THURSDAY
SUNNY. HIGHS AROUND 86.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 49.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 74.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 47.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS AROUND 61. CHANCE OF PRECIPITATION 50 PERCENT.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 57-58.
THURSDAY
SUNNY. HIGHS 82-83.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 51.
FRIDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 72.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 44-47.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 54-55. CHANCE
OF PRECIPITATION 30 PERCENT.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 56.
THURSDAY
SUNNY. HIGHS AROUND 93.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 83.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 47.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF RAIN IN THE EVENING.
HIGHS AROUND 64. CHANCE OF PRECIPITATION 30 PERCENT.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
CLEAR. LOWS 46-49.
THURSDAY
SUNNY. HIGHS 70-74.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 42-45.
FRIDAY
SUNNY. HIGHS 62-65.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 38-42.
SATURDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. MOSTLY CLOUDY WITH RAIN LIKELY IN THE EVENING. HIGHS
AROUND 50. CHANCE OF PRECIPITATION 70 PERCENT.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 44-46.
THURSDAY
SUNNY. HIGHS 72-74.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 40.
FRIDAY
SUNNY. HIGHS 63-66.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 36-38.
SATURDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. HIGHS AROUND 50. WEST WINDS AROUND
20 MPH IN THE AFTERNOON BECOMING LIGHT. CHANCE OF PRECIPITATION
70 PERCENT.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS 44-46.
THURSDAY
SUNNY. HIGHS 69-75.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 40.
FRIDAY
SUNNY. HIGHS 60-66.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 35-37.
SATURDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF RAIN IN THE AFTERNOON. MOSTLY CLOUDY WITH SHOWERS, SNOW
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. HIGHS
44-50. CHANCE OF PRECIPITATION 60 PERCENT.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS 49-52.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 76-79.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 43-46.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 39-42.
SATURDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF RAIN IN THE AFTERNOON AND EVENING. HIGHS
51-54.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
PARTLY CLOUDY AFTER MIDNIGHT THEN BECOMING
MOSTLY CLOUDY. LOWS 54-60.
THURSDAY
PARTLY CLOUDY. HIGHS 76-83.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 50-54.
FRIDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
70-77.
FRIDAY NIGHT
CLEAR. LOWS 43-46.
SATURDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN IN THE AFTERNOON AND EVENING. HIGHS
54-61.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS 57-61.
THURSDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 83-86.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 49-52.
FRIDAY
SUNNY. HIGHS 78-82.
FRIDAY NIGHT
CLEAR. LOWS 47-49.
SATURDAY
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS 65-68.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS AROUND 50.
THURSDAY
PARTLY CLOUDY. HIGHS 82-84.
THURSDAY NIGHT
CLEAR. LOWS AROUND 44.
FRIDAY
SUNNY. HIGHS 77-79.
FRIDAY NIGHT
CLEAR. LOWS 42-43.
SATURDAY
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS 63-65.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS AROUND 52.
THURSDAY
MOSTLY CLOUDY. HIGHS 77-78.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 46.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
71-73.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 47-48.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. A
20 PERCENT CHANCE OF RAIN IN THE EVENING. HIGHS 62-64. SOUTHWEST
WINDS AROUND 20 MPH IN THE AFTERNOON AND EVENING.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
1200 AM PDT THU SEP 10 2026
REST OF TONIGHT
PARTLY CLOUDY AFTER MIDNIGHT THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 53.
THURSDAY
MOSTLY CLOUDY. HIGHS 73-76.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 48. WEST WINDS AROUND
20 MPH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS 69-72.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 49.
SATURDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 61-64.
SOUTHWEST WINDS 20 TO 25 MPH IN THE AFTERNOON BECOMING LIGHT.
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