931
FPUS86 KMFR 041353
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
653 AM PDT MON MAY 4 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
653 AM PDT MON MAY 4 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING SUNNY. HIGHS AROUND 70.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 49.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 74.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 49.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 79.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
653 AM PDT MON MAY 4 2026
TODAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 64-65.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 48.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
74-75.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
653 AM PDT MON MAY 4 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 72.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 48.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 79.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 49.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 84.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
653 AM PDT MON MAY 4 2026
TODAY
SUNNY. HIGHS 66-67.
TONIGHT
MOSTLY CLEAR. LOWS 42-46.
TUESDAY
SUNNY. HIGHS 66-67.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 43-46.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 70.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
653 AM PDT MON MAY 4 2026
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
A 10 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 65-68.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 40.
TUESDAY
SUNNY. HIGHS 65-67.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 70.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
653 AM PDT MON MAY 4 2026
TODAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
10 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 62-67.
TONIGHT
MOSTLY CLEAR. LOWS 37-42.
TUESDAY
SUNNY. HIGHS 61-67.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 38-42.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 65-70.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
653 AM PDT MON MAY 4 2026
TODAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
10 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 64-67.
TONIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 42-43.
TUESDAY
SUNNY. HIGHS 66-69.
TUESDAY NIGHT
CLEAR. LOWS 42-43.
WEDNESDAY
CLEAR. HIGHS 70-72.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
653 AM PDT MON MAY 4 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
MORNING THEN BECOMING SUNNY THEN BECOMING PARTLY CLOUDY LATE IN
THE AFTERNOON. HIGHS 61-67. NORTHWEST WINDS AROUND 20 MPH LATE IN
THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS 46-49. NORTH WINDS AROUND 20 MPH IN THE EVENING
BECOMING LIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 65-71.
TUESDAY NIGHT
CLEAR. LOWS AROUND 50.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
71-77.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
653 AM PDT MON MAY 4 2026
TODAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 63-68. CHANCE OF PRECIPITATION 30 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 44-46. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 69-73.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46-47.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 75-79.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
653 AM PDT MON MAY 4 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY. CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS AROUND 70. CHANCE OF PRECIPITATION 30 PERCENT.
TONIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER
MIDNIGHT. LOWS AROUND 42. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY
SUNNY. HIGHS 71-72.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 42-43.
WEDNESDAY
CLEAR. HIGHS 76-78.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
653 AM PDT MON MAY 4 2026
TODAY
SUNNY. HIGHS AROUND 70.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 45.
TUESDAY
SUNNY. HIGHS 67-69. NORTH WINDS AROUND 20 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 44.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 70-72.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
653 AM PDT MON MAY 4 2026
TODAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 63-65. CHANCE OF PRECIPITATION 30 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 43-44.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 64-65.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS 43-44. NORTH WINDS AROUND 20 MPH IN THE
EVENING BECOMING LIGHT.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 65-67.
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