519
FPUS86 KMFR 110939
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
239 AM PDT MON MAY 11 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
239 AM PDT MON MAY 11 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS
AROUND 81.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 51.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 82.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN. LOWS AROUND 47.
WEDNESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN, THEN
PARTLY CLOUDY IN THE EVENING. HIGHS AROUND 67.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
239 AM PDT MON MAY 11 2026
TODAY
SUNNY. HIGHS AROUND 80.
TONIGHT
PARTLY CLOUDY. LOWS 55-56.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 80.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS AROUND 51.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON AND EVENING.
HIGHS 63-64.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
239 AM PDT MON MAY 11 2026
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 89.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 54.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 85.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS AROUND 49.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON AND EVENING.
HIGHS AROUND 72.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
239 AM PDT MON MAY 11 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 72-76.
TONIGHT
PARTLY CLOUDY. LOWS 46-48.
TUESDAY
PARTLY CLOUDY. HIGHS 74-78.
TUESDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 41-44.
WEDNESDAY
RAIN LIKELY IN THE MORNING, THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
IN THE EVENING. HIGHS 56-58. CHANCE OF PRECIPITATION 60 PERCENT.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
239 AM PDT MON MAY 11 2026
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
HIGHS 74-76.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 43-45.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
75-78.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 40.
WEDNESDAY
RAIN AND SNOW LIKELY IN THE MORNING, THEN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS 56-58. WEST WINDS AROUND 20 MPH. CHANCE OF
PRECIPITATION 60 PERCENT.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
239 AM PDT MON MAY 11 2026
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
HIGHS 70-75.
TONIGHT
PARTLY CLOUDY. LOWS 42-46.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 72-76.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 36-41.
WEDNESDAY
RAIN AND SNOW LIKELY IN THE MORNING, THEN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS 53-58. NORTHWEST WINDS AROUND 20 MPH IN THE
MORNING BECOMING LIGHT. CHANCE OF PRECIPITATION 60 PERCENT.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
239 AM PDT MON MAY 11 2026
TODAY
SUNNY. HIGHS AROUND 80.
TONIGHT
PARTLY CLOUDY. LOWS 46-47.
TUESDAY
SUNNY. HIGHS AROUND 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
WEDNESDAY
RAIN LIKELY, THEN CHANCE OF RAIN IN THE EVENING.
HIGHS AROUND 60. CHANCE OF RAIN 60 PERCENT.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
239 AM PDT MON MAY 11 2026
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
HIGHS 77-84.
TONIGHT
PARTLY CLOUDY. LOWS 54-59.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
76-83. SOUTH WINDS AROUND 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 49-52.
WEDNESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
HIGHS 60-66.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
239 AM PDT MON MAY 11 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 81-85.
TONIGHT
PARTLY CLOUDY. LOWS 53-55.
TUESDAY
SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND 20 MPH IN
THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 47-48.
WEDNESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
HIGHS 64-68.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
239 AM PDT MON MAY 11 2026
TODAY
SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
HIGHS 82-85.
TONIGHT
PARTLY CLOUDY. LOWS 47-48.
TUESDAY
SUNNY. HIGHS 79-82. SOUTH WINDS AROUND 20 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 42-43.
WEDNESDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN
CHANCE OF RAIN IN THE AFTERNOON AND EVENING. HIGHS 65-67. CHANCE
OF RAIN 60 PERCENT.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
239 AM PDT MON MAY 11 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE LATE MORNING
AND EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 80.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 50.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 80. SOUTH WINDS AROUND 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHWEST WINDS AROUND 20 MPH IN
THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 63-65. SOUTHWEST
WINDS AROUND 20 MPH IN THE MORNING BECOMING LIGHT. CHANCE OF
PRECIPITATION 40 PERCENT.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
239 AM PDT MON MAY 11 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS
74-76.
TONIGHT
PARTLY CLOUDY. LOWS 52-53.
TUESDAY
SUNNY. HIGHS 75-76. SOUTH WINDS AROUND 20 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS 54-55. SOUTHWEST WINDS AROUND 20 MPH IN THE
EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 60.
SOUTHWEST WINDS 20 TO 25 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
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