100
FPUS86 KMFR 180938
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 AM PDT TUE AUG 18 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS AROUND 81.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 54.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 82.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 54.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLEAR. HIGHS AROUND 85.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS AROUND 79.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 60.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 80.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLEAR. HIGHS 82-83.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS AROUND 89.
TONIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS
AROUND 55.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 90.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 56.
THURSDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 91.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS 73-78.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
76-81.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 50-53.
THURSDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 77-82.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS 76-79.
TONIGHT
MOSTLY CLEAR. LOWS 47-49.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 80.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 80.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS 75-81.
TONIGHT
MOSTLY CLEAR. LOWS 45-48.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
77-83.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 47-49.
THURSDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 77-83.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS 80-83.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 49-52.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
82-85.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 50-53.
THURSDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 83-85.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS 74-82.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 60.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
78-85.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 58-62.
THURSDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 78-86.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS 86-89.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 55-58.
WEDNESDAY
SUNNY. HIGHS 87-91.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
THURSDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 85-89.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 AM PDT TUE AUG 18 2026
TODAY
SUNNY. HIGHS 86-87.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 49.
WEDNESDAY
SUNNY. HIGHS AROUND 90.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 87-89.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 AM PDT TUE AUG 18 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. PATCHY
SMOKE IN THE MORNING. HIGHS 83-84.
TONIGHT
MOSTLY CLEAR. LOWS 53-54.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
85-86.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 54-55.
THURSDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS
84-86.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 AM PDT TUE AUG 18 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS
AROUND 80.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 54.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
80-83.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 55-56.
THURSDAY
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON
THEN BECOMING MOSTLY CLOUDY. HIGHS 80-83.
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