635
FPUS86 KMFR 112139
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
239 PM PDT MON MAY 11 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY. LOWS AROUND 52.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS AROUND 79.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS AROUND 46.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS AROUND
64.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS AROUND 41.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
AROUND 70.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
239 PM PDT MON MAY 11 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 56-57.
TUESDAY
PARTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 77-78.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS AROUND 49.
WEDNESDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN IN
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS AROUND
60.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 43.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
68-69.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
239 PM PDT MON MAY 11 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 55.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS AROUND 82.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS AROUND 47.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN
THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS AROUND 69.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 42.
THURSDAY
CLEAR. HIGHS AROUND 78.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY. LOWS 45-48.
TUESDAY
PARTLY CLOUDY. HIGHS 73-77.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS 37-39. CHANCE OF RAIN
60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS AROUND 50. CHANCE OF
PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 33-36.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 60.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY. LOWS 43-46.
TUESDAY
PARTLY CLOUDY. HIGHS 74-76.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT. LOWS 34-36. CHANCE OF
RAIN 60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE MORNING,
THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS AROUND 50.
WEST WINDS AROUND 20 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 30-32. WEST WINDS AROUND
20 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
60-62.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
239 PM PDT MON MAY 11 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 42-46.
TUESDAY
PARTLY CLOUDY. HIGHS 70-75.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN RAIN AND SNOW LIKELY AFTER MIDNIGHT. NO SNOW
ACCUMULATION. LOWS 32-37. CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS
46-51. CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 28-32.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
56-61.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR AFTER
MIDNIGHT THEN BECOMING PARTLY CLOUDY. LOWS 47-48.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 76-79.
TUESDAY NIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 37-38.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 53-55. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 33-34.
THURSDAY
CLEAR. HIGHS 63-65.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY. LOWS 54-59.
TUESDAY
PARTLY CLOUDY. HIGHS 76-82.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS AROUND 50.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN
THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 56-62.
WEDNESDAY NIGHT
CLEAR. LOWS 41-43.
THURSDAY
CLEAR. HIGHS 64-70.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN CLEARING.
LOWS 53-55.
TUESDAY
PARTLY CLOUDY. HIGHS 77-81. SOUTH WINDS AROUND 20 MPH
IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY
WITH A CHANCE OF RAIN AFTER MIDNIGHT. LOWS 43-46.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. A 30 PERCENT CHANCE OF RAIN. HIGHS 63-66.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
CLEAR. HIGHS 71-75.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN CLEARING.
LOWS 47-48.
TUESDAY
SUNNY. HIGHS AROUND 80.
TUESDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 40.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 62-64. CHANCE OF
PRECIPITATION 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 34.
THURSDAY
CLEAR. HIGHS 70-72.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR AFTER
MIDNIGHT THEN BECOMING PARTLY CLOUDY. LOWS AROUND 50.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS AROUND 80. SOUTH WINDS 20 TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 47-48.
WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
HIGHS AROUND 60. SOUTHWEST WINDS AROUND 20 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS
AROUND 36. CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY
CLEAR. HIGHS 67-68.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
239 PM PDT MON MAY 11 2026
TONIGHT
PARTLY CLOUDY. LOWS AROUND 53.
TUESDAY
SUNNY. HIGHS 74-76. SOUTHWEST WINDS 20 TO 25 MPH IN
THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHWEST WINDS
20 TO 25 MPH.
WEDNESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS 55-57. WEST WINDS 20 TO 25 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS
38-39. NORTHWEST WINDS AROUND 20 MPH IN THE EVENING BECOMING
LIGHT. CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY
CLEAR. HIGHS 61-63.
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