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FPUS86 KMFR 182309
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
409 PM PDT SUN MAY 18 2025
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
409 PM PDT SUN MAY 18 2025
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH
A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 43.
MONDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS.
HIGHS AROUND 64.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 42.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 63.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 39.
WEDNESDAY
PARTLY CLOUDY. HIGHS AROUND 71.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
409 PM PDT SUN MAY 18 2025
TONIGHT
PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN BECOMING
MOSTLY CLOUDY. LOWS 45-46.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. A 30 PERCENT CHANCE OF SHOWERS. HIGHS AROUND 60.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 41-42.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 60.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 69.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
409 PM PDT SUN MAY 18 2025
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR AFTER
MIDNIGHT THEN BECOMING PARTLY CLOUDY. LOWS AROUND 44.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. A
30 PERCENT CHANCE OF SHOWERS. HIGHS AROUND 66.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 43.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 68.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 76.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
409 PM PDT SUN MAY 18 2025
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN
THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
33-36. CHANCE OF SHOWERS 30 PERCENT.
MONDAY
MOSTLY CLOUDY WITH RAIN SHOWERS. HIGHS 47-49. CHANCE OF
SHOWERS 80 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW SHOWERS AFTER
MIDNIGHT. NO SNOW ACCUMULATION. LOWS 31-34. CHANCE OF
PRECIPITATION 60 PERCENT.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS IN
THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS AROUND 50.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 30-32.
WEDNESDAY
PARTLY CLOUDY, THEN MOSTLY CLOUDY WITH A 30 PERCENT
CHANCE OF SHOWERS IN THE EVENING. HIGHS 62-64.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
409 PM PDT SUN MAY 18 2025
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 32-33.
MONDAY
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY. HIGHS AROUND
50. CHANCE OF SHOWERS 60 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS AROUND 30.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 51-53.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 30.
WEDNESDAY
PARTLY CLOUDY, THEN MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS IN THE EVENING. HIGHS 61-63.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
409 PM PDT SUN MAY 18 2025
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 31-33. WEST WINDS AROUND 20 MPH WITH
GUSTS TO AROUND 35 MPH LATE IN THE EVENING AND OVERNIGHT.
MONDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS 46-51.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 49-55.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 30.
WEDNESDAY
PARTLY CLOUDY, THEN MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS IN THE EVENING. HIGHS 59-65.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
409 PM PDT SUN MAY 18 2025
TONIGHT
PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN BECOMING
MOSTLY CLOUDY. LOWS 33-35.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. A 30 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 54-57.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 33-35.
TUESDAY
SUNNY. HIGHS 55-57.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 32-33.
WEDNESDAY
SUNNY, THEN PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SHOWERS IN THE EVENING. HIGHS 65-67.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
409 PM PDT SUN MAY 18 2025
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING PARTLY CLOUDY. LOWS
40-42.
MONDAY
PARTLY CLOUDY. HIGHS 58-64.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 40.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 57-62.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 37-39.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 68-73.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
409 PM PDT SUN MAY 18 2025
TONIGHT
MOSTLY CLEAR UNTIL WELL AFTER MIDNIGHT THEN BECOMING
PARTLY CLOUDY. LOWS 40-42.
MONDAY
SUNNY. HIGHS AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
TUESDAY
SUNNY. HIGHS 66-69.
TUESDAY NIGHT
CLEAR. LOWS AROUND 40.
WEDNESDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 74-78.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
409 PM PDT SUN MAY 18 2025
TONIGHT
MOSTLY CLEAR UNTIL WELL AFTER MIDNIGHT THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 35.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
64-66.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 33.
TUESDAY
SUNNY. HIGHS 64-66.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 34-35.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 72-74.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
409 PM PDT SUN MAY 18 2025
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS
AROUND 32.
MONDAY
PARTLY CLOUDY. HIGHS 58-59.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 33.
TUESDAY
SUNNY. HIGHS AROUND 60.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 34.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 67-68.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
409 PM PDT SUN MAY 18 2025
TONIGHT
MOSTLY CLEAR. LOWS 32-33. NORTHWEST WINDS AROUND
20 MPH EARLY IN THE EVENING BECOMING LIGHT, THEN BECOMING WEST
AROUND 20 MPH WELL AFTER MIDNIGHT.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
54-57. WEST WINDS AROUND 20 MPH IN THE MORNING BECOMING LIGHT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 34-35.
TUESDAY
SUNNY. HIGHS 55-58.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 35.
WEDNESDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 64-66.
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