831
FPUS86 KMFR 171619
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
919 AM PDT THU SEP 17 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
919 AM PDT THU SEP 17 2026
REST OF TODAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS. HIGHS AROUND 76.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 49.
FRIDAY
SUNNY. HIGHS AROUND 78.
FRIDAY NIGHT
CLEAR. LOWS AROUND 49.
SATURDAY
MOSTLY CLEAR. HIGHS AROUND 82.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
919 AM PDT THU SEP 17 2026
REST OF TODAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS. HIGHS AROUND 71.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR. LOWS
50-52.
FRIDAY
SUNNY. HIGHS 74-75.
FRIDAY NIGHT
CLEAR. LOWS AROUND 50.
SATURDAY
MOSTLY CLEAR. HIGHS 77-78.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
919 AM PDT THU SEP 17 2026
REST OF TODAY
PARTLY CLOUDY LATE IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS. HIGHS AROUND 79.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 48.
FRIDAY
SUNNY. HIGHS AROUND 84.
FRIDAY NIGHT
CLEAR. LOWS AROUND 48.
SATURDAY
MOSTLY CLEAR. HIGHS AROUND 87.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
919 AM PDT THU SEP 17 2026
REST OF TODAY
SHOWERS LIKELY LATE IN THE MORNING, THEN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
56-58. CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 40-44.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
61-64.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 41-44.
SATURDAY
MOSTLY CLEAR. HIGHS AROUND 70.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
919 AM PDT THU SEP 17 2026
REST OF TODAY
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
HIGHS 54-57. CHANCE OF PRECIPITATION 80 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS AROUND 40. CHANCE OF PRECIPITATION 40 PERCENT.
FRIDAY
SUNNY. HIGHS 62-65.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SATURDAY
MOSTLY CLEAR. HIGHS 70-72.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
919 AM PDT THU SEP 17 2026
REST OF TODAY
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE MORNING, THEN RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 51-55. CHANCE OF
PRECIPITATION 80 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 37-38. CHANCE OF PRECIPITATION 50 PERCENT.
FRIDAY
SUNNY. HIGHS 60-65.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 37-38.
SATURDAY
MOSTLY CLEAR. HIGHS 66-71.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
919 AM PDT THU SEP 17 2026
REST OF TODAY
MOSTLY CLOUDY. CHANCE OF SHOWERS LATE IN THE
MORNING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 57-59. CHANCE OF PRECIPITATION
70 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 41-43. CHANCE OF PRECIPITATION 50 PERCENT.
FRIDAY
SUNNY. HIGHS 65-68.
FRIDAY NIGHT
CLEAR. LOWS 41-43.
SATURDAY
MOSTLY CLEAR. HIGHS 72-75.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
919 AM PDT THU SEP 17 2026
REST OF TODAY
PARTLY CLOUDY LATE IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. CHANCE OF SHOWERS LATE IN THE MORNING, THEN CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 59-66. CHANCE OF PRECIPITATION 40 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 47-52.
FRIDAY
SUNNY. HIGHS 66-73.
FRIDAY NIGHT
CLEAR. LOWS 47-51.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR.
HIGHS 71-78.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
919 AM PDT THU SEP 17 2026
REST OF TODAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS LATE IN
THE MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64-68.
CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 45-46.
FRIDAY
SUNNY. HIGHS 72-75.
FRIDAY NIGHT
CLEAR. LOWS 46-49.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR.
HIGHS AROUND 80.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
919 AM PDT THU SEP 17 2026
REST OF TODAY
PARTLY CLOUDY LATE IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE MORNING, THEN CHANCE OF RAIN AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63-64. CHANCE OF
PRECIPITATION 30 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 40.
FRIDAY
SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
CLEAR. LOWS AROUND 41.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR.
HIGHS 76-77.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
919 AM PDT THU SEP 17 2026
REST OF TODAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS LATE IN
THE MORNING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF
PRECIPITATION 60 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS AROUND 42. CHANCE OF PRECIPITATION 30 PERCENT.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
64-66.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 41-42.
SATURDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 70.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
919 AM PDT THU SEP 17 2026
REST OF TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. A 30 PERCENT CHANCE OF
RAIN IN THE AFTERNOON. HIGHS 55-58.
TONIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 42.
FRIDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
60-63.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
42-43.
SATURDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 65-68.
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