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FPUS86 KMFR 012138
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 PM PDT SAT AUG 1 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR UNTIL WELL AFTER MIDNIGHT THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 48.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 75.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 48.
MONDAY
SUNNY. HIGHS AROUND 84.
MONDAY NIGHT
CLEAR. LOWS AROUND 54.
TUESDAY
CLEAR. HIGHS AROUND 94.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR. LOWS 49-52. NORTH WINDS AROUND 20 MPH
AFTER MIDNIGHT BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS AROUND 72.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 49-52.
MONDAY
SUNNY. HIGHS 81-82.
MONDAY NIGHT
CLEAR. LOWS 55-57.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS 90-92.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 48.
SUNDAY
SUNNY. HIGHS AROUND 82.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 49.
MONDAY
SUNNY. HIGHS AROUND 90.
MONDAY NIGHT
CLEAR. LOWS AROUND 54.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
100.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLEAR. LOWS 40-42.
SUNDAY
SUNNY. HIGHS 64-69.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 40-43.
MONDAY
SUNNY. HIGHS 72-78.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 47-49.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS 79-85.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
SUNNY. HIGHS 70-72.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
MONDAY
SUNNY. HIGHS AROUND 80.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 45-47.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS 84-87.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR. PATCHY SMOKE IN THE EVENING. LOWS 37-39.
SUNDAY
SUNNY. HIGHS 68-74.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 37-39.
MONDAY
SUNNY. HIGHS 77-82.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 44-46.
TUESDAY
CLEAR. HIGHS 82-88.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 PM PDT SAT AUG 1 2026
TONIGHT
CLEAR. LOWS 41-43.
SUNDAY
SUNNY. HIGHS 73-76.
SUNDAY NIGHT
CLEAR. LOWS 42-44.
MONDAY
SUNNY. HIGHS 83-86.
MONDAY NIGHT
CLEAR. LOWS AROUND 50.
TUESDAY
CLEAR. HIGHS AROUND 90.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50. NORTH WINDS AROUND
20 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS 69-77. NORTH WINDS AROUND 20 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
CLEAR. LOWS 46-48. NORTH WINDS AROUND 20 MPH IN
THE EVENING BECOMING LIGHT.
MONDAY
SUNNY. HIGHS 80-88.
MONDAY NIGHT
CLEAR. LOWS 55-57.
TUESDAY
CLEAR. HIGHS 86-93.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 PM PDT SAT AUG 1 2026
TONIGHT
CLEAR. LOWS AROUND 50.
SUNDAY
SUNNY. HIGHS 82-85.
SUNDAY NIGHT
CLEAR. LOWS AROUND 50.
MONDAY
SUNNY. HIGHS AROUND 90.
MONDAY NIGHT
CLEAR. LOWS AROUND 60.
TUESDAY
CLEAR. HIGHS 91-95.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 PM PDT SAT AUG 1 2026
TONIGHT
CLEAR. LOWS AROUND 42.
SUNDAY
SUNNY. HIGHS 82-84.
SUNDAY NIGHT
CLEAR. LOWS 42-43.
MONDAY
SUNNY. HIGHS 87-88.
MONDAY NIGHT
CLEAR. LOWS AROUND 50.
TUESDAY
CLEAR. HIGHS 92-93.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR. LOWS 48-49.
SUNDAY
SUNNY. HIGHS 80-82.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 46-48.
MONDAY
SUNNY. HIGHS 81-82.
MONDAY NIGHT
CLEAR. LOWS AROUND 50.
TUESDAY
CLEAR. HIGHS 87-89.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 PM PDT SAT AUG 1 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 51.
SUNDAY
SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
CLEAR. LOWS AROUND 50.
MONDAY
SUNNY. HIGHS AROUND 80.
MONDAY NIGHT
CLEAR. LOWS AROUND 53.
TUESDAY
CLEAR. HIGHS 82-85.
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