958
FPUS86 KMFR 120939
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
239 AM PDT TUE MAY 12 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
239 AM PDT TUE MAY 12 2026
TODAY
PARTLY CLOUDY. HIGHS AROUND 79.
TONIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS.
LOWS AROUND 45.
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY IN THE MORNING, THEN
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 65.
CHANCE OF SHOWERS 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 41.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
AROUND 72.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
239 AM PDT TUE MAY 12 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 77-78.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH
A 30 PERCENT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 48.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS IN
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS AROUND
61.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 43-44.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
AROUND 70.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
239 AM PDT TUE MAY 12 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS
AROUND 82.
TONIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS.
LOWS AROUND 46.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS IN
THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS AROUND 70.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 42.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 79.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
239 AM PDT TUE MAY 12 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73-77.
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN RAIN SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS
35-37. CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN AND SNOW SHOWERS IN THE MORNING,
THEN CHANCE OF RAIN AND SNOW SHOWERS IN THE AFTERNOON. NO SNOW
ACCUMULATION. HIGHS 48-49. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS 33-36.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 59-62.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
239 AM PDT TUE MAY 12 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING MOSTLY CLOUDY. HIGHS 74-77.
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT.
LOWS 33-34. WEST WINDS AROUND 20 MPH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN AND SNOW SHOWERS IN THE
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS AROUND 50. WEST
WINDS 20 TO 30 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 30.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 62-64.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
239 AM PDT TUE MAY 12 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
MORNING THEN BECOMING SUNNY THEN BECOMING PARTLY CLOUDY LATE IN
THE AFTERNOON. HIGHS 71-75.
TONIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN AND SNOW
SHOWERS AFTER MIDNIGHT. LOWS 31-35. WEST WINDS AROUND 20 MPH
AFTER MIDNIGHT.
WEDNESDAY
MOSTLY CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN AND SNOW SHOWERS IN THE
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS 46-51. WEST
WINDS 20 TO 25 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 27-31.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 58-63.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
239 AM PDT TUE MAY 12 2026
TODAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 76-79.
TONIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 36-37.
WEDNESDAY
MOSTLY CLOUDY WITH RAIN AND SNOW SHOWERS LIKELY IN
THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND
SNOW SHOWERS IN THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS 53-56.
CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 33-34.
THURSDAY
CLEAR. HIGHS 65-68.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
239 AM PDT TUE MAY 12 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
MORNING THEN BECOMING SUNNY THEN BECOMING PARTLY CLOUDY LATE IN
THE AFTERNOON. A 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS 76-82. GUSTS UP TO 30 MPH.
TONIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS.
LOWS 46-49.
WEDNESDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS IN
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 56-62.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 40-42.
THURSDAY
CLEAR. HIGHS 66-72. NORTHWEST WINDS AROUND 20 MPH IN
THE EVENING.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
239 AM PDT TUE MAY 12 2026
TODAY
PARTLY CLOUDY. HIGHS 77-81. SOUTH WINDS AROUND 20 MPH IN
THE AFTERNOON.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 43-45.
WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS IN
THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 64-67.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 40.
THURSDAY
CLEAR. HIGHS 74-77.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
239 AM PDT TUE MAY 12 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 80. SOUTH WINDS AROUND
20 MPH WITH GUSTS TO AROUND 35 MPH EARLY IN THE AFTERNOON
BECOMING LIGHT.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 40.
WEDNESDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS IN
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 63-64.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 34-35.
THURSDAY
CLEAR. HIGHS 72-74.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
239 AM PDT TUE MAY 12 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS
AROUND 80. SOUTH WINDS AROUND 20 MPH WITH GUSTS TO AROUND 35 MPH
IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 46-47. SOUTH WINDS AROUND 20 MPH IN THE EVENING
BECOMING LIGHT.
WEDNESDAY
PARTLY CLOUDY. HIGHS AROUND 60. WEST WINDS 20 TO
25 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 35-36.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 68-69.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
239 AM PDT TUE MAY 12 2026
TODAY
SUNNY. HIGHS 74-76. SOUTHWEST WINDS 20 TO 25 MPH WITH
GUSTS TO AROUND 45 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 50. SOUTHWEST WINDS 20 TO 25 MPH.
WEDNESDAY
PARTLY CLOUDY. HIGHS 55-57. WEST WINDS 20 TO 30 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 37-38.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
63-65.
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