998
FPUS86 KMFR 172134
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
234 PM PDT WED SEP 17 2025
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
234 PM PDT WED SEP 17 2025
TONIGHT
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS
AROUND 50.
THURSDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 74.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 49.
FRIDAY
PARTLY CLOUDY. AREAS OF FOG IN THE MORNING. HIGHS
AROUND 82.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 54.
SATURDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 83.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
234 PM PDT WED SEP 17 2025
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 54. NORTH WINDS AROUND 20 MPH LATE IN THE
EVENING AND OVERNIGHT.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 70.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 54-55.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 76-77. LOWS
54-59.
SATURDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 78-79.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
234 PM PDT WED SEP 17 2025
TONIGHT
MOSTLY CLEAR. LOWS AROUND 52.
THURSDAY
SUNNY. HIGHS AROUND 82.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 52.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 88.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 54.
SATURDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 88.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
234 PM PDT WED SEP 17 2025
TONIGHT
MOSTLY CLEAR. LOWS 45-48.
THURSDAY
SUNNY. HIGHS 72-74.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 49-52.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 71-74. LOWS
47-52.
SATURDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 70.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
234 PM PDT WED SEP 17 2025
TONIGHT
CLEAR. LOWS 46-47.
THURSDAY
SUNNY. HIGHS 74-77.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 72-75. LOWS
AROUND 50.
SATURDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 70.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
234 PM PDT WED SEP 17 2025
TONIGHT
CLEAR. LOWS 44-46.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 71-75.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS 47-48.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 69-73. LOWS
46-48.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
65-70.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
234 PM PDT WED SEP 17 2025
TONIGHT
CLEAR. LOWS 46-47.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 75-78.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50.
FRIDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 72-75.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLEAR. HIGHS 70-73.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
234 PM PDT WED SEP 17 2025
TONIGHT
MOSTLY CLEAR. LOWS 51-54. NORTH WINDS AROUND 20 MPH
LATE IN THE EVENING BECOMING LIGHT.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 73-81.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS 55-58.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 73-80.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 56-59.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
72-80.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
234 PM PDT WED SEP 17 2025
TONIGHT
CLEAR. LOWS 51-54.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 82-85.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 55-58.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
76-79. CHANCE OF PRECIPITATION 20 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 40 PERCENT CHANCE OF SHOWERS. LOWS 53-56.
SATURDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 80.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
234 PM PDT WED SEP 17 2025
TONIGHT
CLEAR. LOWS AROUND 46.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 81-82.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 48-49.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 77-78.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING. LOWS AROUND 47.
SATURDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 75-77.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
234 PM PDT WED SEP 17 2025
TONIGHT
MOSTLY CLEAR. LOWS AROUND 51.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 53.
FRIDAY
MOSTLY CLOUDY. HIGHS 74-75.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND
50.
SATURDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 72-74.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
234 PM PDT WED SEP 17 2025
TONIGHT
MOSTLY CLEAR. LOWS AROUND 52.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 74-77.
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 55-56.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND
50.
SATURDAY
PARTLY CLOUDY. HIGHS 66-69.
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