898
FPUS86 KMFR 230938
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 AM PDT SUN AUG 23 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS AROUND 82.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 53.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 93.
MONDAY NIGHT
CLEAR. LOWS AROUND 56.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 88.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS AROUND 80.
TONIGHT
MOSTLY CLEAR. LOWS 56-59.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 90.
MONDAY NIGHT
CLEAR. LOWS 61-62.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
83-84.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS AROUND 90.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 54.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 96.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 56.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 90.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS 69-74.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50.
MONDAY
SUNNY. HIGHS 77-82.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 50-52.
TUESDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR. HIGHS 75-80.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS 72-75.
TONIGHT
MOSTLY CLEAR. LOWS 44-47.
MONDAY
SUNNY. HIGHS AROUND 80.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 47-49.
TUESDAY
PARTLY CLOUDY THEN CLEARING. HIGHS 76-79.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS 71-77.
TONIGHT
MOSTLY CLEAR. LOWS 43-45.
MONDAY
SUNNY. HIGHS 76-82.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 45-47.
TUESDAY
PARTLY CLOUDY. HIGHS 73-79.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS AROUND 80.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50.
MONDAY
SUNNY. HIGHS 81-84.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 49-52.
TUESDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR. HIGHS 80-83.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS 76-83.
TONIGHT
MOSTLY CLEAR. LOWS 54-56.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
80-87.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
78-85.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
HIGHS 83-86.
TONIGHT
MOSTLY CLEAR. LOWS 53-56.
MONDAY
SUNNY. HIGHS 82-86.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 54-58.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
80-83.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY. HIGHS 83-84.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 46.
MONDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
84-86.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 48.
TUESDAY
PARTLY CLOUDY THEN CLEARING. HIGHS 82-84.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 AM PDT SUN AUG 23 2026
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY.
HIGHS AROUND 80.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 50.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 81-82.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 51-52.
TUESDAY
PARTLY CLOUDY. HIGHS 81-82.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 AM PDT SUN AUG 23 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 75-78.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 54.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 75-78.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 53.
TUESDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. HIGHS 76-79.
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