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FPUS86 KMFR 210938
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 AM PDT FRI AUG 21 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS AROUND 83.
TONIGHT
CLEAR. LOWS AROUND 52.
SATURDAY
SUNNY. HIGHS AROUND 81.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SUNDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON THEN
BECOMING MOSTLY CLEAR. HIGHS AROUND 81.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS AROUND 81.
TONIGHT
MOSTLY CLEAR. LOWS 55-57.
SATURDAY
SUNNY. HIGHS 77-78.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 51-54.
SUNDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON THEN
BECOMING MOSTLY CLEAR. HIGHS AROUND 80.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 AM PDT FRI AUG 21 2026
TODAY
CLOUDY UNTIL EARLY AFTERNOON THEN CLEARING. HIGHS AROUND
89.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 51.
SATURDAY
SUNNY. HIGHS AROUND 84.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 89.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 AM PDT FRI AUG 21 2026
TODAY
CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS 76-81.
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS AROUND 50.
SATURDAY
SUNNY. HIGHS 67-72.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 43-46.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 69-74.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS 77-79.
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 45-47.
SATURDAY
SUNNY. HIGHS 69-72. SOUTHWEST WINDS AROUND 20 MPH IN
THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 39-42.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 73-76.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS 74-80.
TONIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 43-44.
SATURDAY
SUNNY. HIGHS 67-73.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 72-77.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS 80-82.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SATURDAY
SUNNY. HIGHS 73-76.
SATURDAY NIGHT
CLEAR. LOWS 44-46.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 80.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS 77-83.
TONIGHT
MOSTLY CLEAR. LOWS 54-57.
SATURDAY
SUNNY. HIGHS 73-81.
SATURDAY NIGHT
CLEAR. LOWS 50-53.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 75-83.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS 80-84. SOUTH WINDS AROUND 20 MPH IN
THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 51-55. SOUTH WINDS AROUND 20 MPH IN
THE EVENING BECOMING LIGHT.
SATURDAY
SUNNY. HIGHS 79-83.
SATURDAY NIGHT
CLEAR. LOWS AROUND 50.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 82-87.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS 83-84.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 45.
SATURDAY
SUNNY. HIGHS 80-82.
SATURDAY NIGHT
CLEAR. LOWS AROUND 43.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 83-84.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS 82-84.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 55-56.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 20 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 46-48.
SUNDAY
MOSTLY CLEAR. HIGHS AROUND 80.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 AM PDT FRI AUG 21 2026
TODAY
MOSTLY CLOUDY. HIGHS AROUND 80.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 57.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 75-79. SOUTHEAST WINDS AROUND 20 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SUNDAY
MOSTLY CLEAR. HIGHS 75-78.
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