563
FPUS86 KMFR 170938
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 AM PDT MON AUG 17 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
MORNING THEN BECOMING MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE AFTERNOON. HIGHS AROUND 83.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 53.
TUESDAY
SUNNY. HIGHS AROUND 85.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 54.
WEDNESDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 85.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 80.
TONIGHT
MOSTLY CLEAR. LOWS 55-58.
TUESDAY
SUNNY. HIGHS 81-82.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 56-59.
WEDNESDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS 81-83.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 90.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 54.
TUESDAY
SUNNY. HIGHS AROUND 92.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 55.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 92.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY. PATCHY SMOKE IN THE MORNING. HIGHS 73-78.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 50.
TUESDAY
SUNNY. HIGHS 72-77.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 47-49.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLEAR. HIGHS 74-80.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY. PATCHY SMOKE IN THE MORNING. HIGHS 75-77.
TONIGHT
MOSTLY CLEAR. LOWS 45-47.
TUESDAY
SUNNY. HIGHS 75-78.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45-47.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 80.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY. PATCHY SMOKE IN THE MORNING. HIGHS 73-79.
TONIGHT
MOSTLY CLEAR. LOWS 44-46.
TUESDAY
SUNNY. HIGHS 73-80.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 44-46.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLEAR. HIGHS 75-81.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY UNTIL EARLY AFTERNOON THEN CLEARING. HIGHS
AROUND 80.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 79-82.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
WEDNESDAY
MOSTLY CLEAR. HIGHS 81-84.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING SUNNY. HIGHS 76-84.
TONIGHT
MOSTLY CLEAR. LOWS 56-58.
TUESDAY
SUNNY. HIGHS 77-85.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 57-59.
WEDNESDAY
MOSTLY CLEAR. HIGHS 79-87.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING SUNNY. HIGHS 82-86.
TONIGHT
MOSTLY CLEAR. LOWS 52-55.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
85-88.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 54-57.
WEDNESDAY
MOSTLY CLEAR. HIGHS 86-90.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 83-85.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 47.
TUESDAY
SUNNY. HIGHS 85-86.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 48.
WEDNESDAY
MOSTLY CLEAR. HIGHS 87-89.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 AM PDT MON AUG 17 2026
TODAY
CLOUDY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 80.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
82-83.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52-53.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
83-85.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 AM PDT MON AUG 17 2026
TODAY
MOSTLY CLOUDY. HIGHS 75-78.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 52.
TUESDAY
PARTLY CLOUDY. HIGHS 76-79.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 54.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLEAR. HIGHS 79-82.
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