579
FPUS86 KMFR 041108
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
408 AM PDT THU SEP 4 2025
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
408 AM PDT THU SEP 4 2025
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
PATCHY SMOKE. HIGHS AROUND 94.
TONIGHT
PATCHY SMOKE IN THE EVENING. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY
CLOUDY AFTER MIDNIGHT. LOWS AROUND 59.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 87.
FRIDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 55.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS AROUND 81.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. PATCHY
SMOKE THROUGH THE DAY. HAZE IN THE AFTERNOON. HIGHS AROUND 90.
TONIGHT
PATCHY SMOKE IN THE EVENING. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY
CLOUDY AFTER MIDNIGHT. LOWS 65-66.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 83.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS AROUND 60.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 78.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. PATCHY
SMOKE IN THE AFTERNOON. HIGHS AROUND 97.
TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. PATCHY SMOKE IN THE EVENING. LOWS AROUND 60.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
AROUND 92.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS AROUND 55.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 82.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
10 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. PATCHY SMOKE
IN THE MORNING, THEN HAZE IN THE AFTERNOON. HIGHS 76-79.
TONIGHT
AREAS OF SMOKE IN THE EVENING. PARTLY CLOUDY WITH A
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 54-57. CHANCE OF
PRECIPITATION 30 PERCENT.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 73-77. CHANCE OF
PRECIPITATION 30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS 50-53. CHANCE
OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. CHANCE OF
PRECIPITATION 30 PERCENT.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HAZE IN THE
AFTERNOON. HIGHS AROUND 80.
TONIGHT
PARTLY CLOUDY. SMOKE IN THE EVENING. CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 52-54. CHANCE OF PRECIPITATION 30 PERCENT.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75-78. CHANCE OF
PRECIPITATION 30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 50.
CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS THROUGH
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 70. CHANCE OF PRECIPITATION 30 PERCENT.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 74-78.
TONIGHT
PARTLY CLOUDY. SMOKE AND HAZE IN THE EVENING. SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. LOWS 50-52. CHANCE OF PRECIPITATION
20 PERCENT.
FRIDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72-76.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS 46-48. CHANCE
OF PRECIPITATION 40 PERCENT.
SATURDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS THROUGH
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
65-70. CHANCE OF PRECIPITATION 30 PERCENT.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 80-82.
TONIGHT
HAZE IN THE EVENING. MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 52-55.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
78-82.
FRIDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 50-52.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE EVENING. HIGHS 71-73.
CHANCE OF PRECIPITATION 20 PERCENT.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HAZE
IN THE AFTERNOON. HIGHS 81-88.
TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. HAZE AND PATCHY SMOKE IN THE EVENING. LOWS 59-65.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
78-85.
FRIDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 56-60.
SATURDAY
PARTLY CLOUDY. HIGHS 73-79.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. PATCHY
SMOKE IN THE MORNING. HIGHS 84-88.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. HAZE AND PATCHY SMOKE IN THE EVENING. LOWS 55-58.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
80-84.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 51-55.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 74-76.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HAZE
IN THE AFTERNOON. HIGHS 83-84.
TONIGHT
PARTLY CLOUDY. HAZE AND PATCHY SMOKE IN THE EVENING.
LOWS AROUND 50.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
81-82.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 46.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 74-75.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
408 AM PDT THU SEP 4 2025
TODAY
PARTLY CLOUDY. A 10 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80.
TONIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 54-55.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
80.
FRIDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 51-52.
SATURDAY
PARTLY CLOUDY. HIGHS 74-76.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
408 AM PDT THU SEP 4 2025
TODAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
73-76.
TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. HAZE IN THE EVENING. LOWS 55-56.
FRIDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 73-76.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS 52-53.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 70.
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