619
FPUS86 KMFR 232138
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 PM PDT SAT MAY 23 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 PM PDT SAT MAY 23 2026
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 48.
SUNDAY
SUNNY. HIGHS AROUND 82.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
MEMORIAL DAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 72.
MONDAY NIGHT
MOSTLY CLOUDY. RAIN IN THE EVENING. LOWS AROUND
40. CHANCE OF RAIN 80 PERCENT.
TUESDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 56. CHANCE OF
PRECIPITATION 90 PERCENT.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 PM PDT SAT MAY 23 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 51.
SUNDAY
SUNNY. HIGHS AROUND 83.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 54.
MEMORIAL DAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 68.
MONDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING. LOWS
AROUND 42. CHANCE OF RAIN 60 PERCENT.
TUESDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF RAIN IN THE EVENING. HIGHS 51-52. CHANCE OF
PRECIPITATION 80 PERCENT.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 PM PDT SAT MAY 23 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SUNDAY
SUNNY. HIGHS AROUND 88.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
MEMORIAL DAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 72.
MONDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING. LOWS
AROUND 41. CHANCE OF RAIN 70 PERCENT.
TUESDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 61. CHANCE OF
PRECIPITATION 80 PERCENT.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 PM PDT SAT MAY 23 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
SUNNY. HIGHS AROUND 70.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 41-44.
MEMORIAL DAY
PARTLY CLOUDY. HIGHS 62-65.
MONDAY NIGHT
MOSTLY CLOUDY. RAIN AND SNOW IN THE EVENING, THEN
CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 31-34. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY
SNOW IN THE MORNING, THEN SHOWERS, SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
AND SNOW IN THE EVENING. HIGHS 42-44. CHANCE OF PRECIPITATION
90 PERCENT.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 PM PDT SAT MAY 23 2026
TONIGHT
MOSTLY CLEAR. LOWS 36-38.
SUNDAY
SUNNY. HIGHS 70-72.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
MEMORIAL DAY
PARTLY CLOUDY. HIGHS 63-65. SOUTHWEST WINDS 25 TO
30 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. RAIN AND SNOW IN THE EVENING, THEN
CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 27-29. WEST WINDS
AROUND 20 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
TUESDAY
SNOW IN THE MORNING, THEN SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN AND SNOW
IN THE EVENING. HIGHS 41-44. CHANCE OF PRECIPITATION 80 PERCENT.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 PM PDT SAT MAY 23 2026
TONIGHT
MOSTLY CLEAR. LOWS 35-39.
SUNDAY
SUNNY. HIGHS 66-71.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 37-41.
MEMORIAL DAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 59-64. SOUTHWEST WINDS 20 TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. RAIN AND SNOW IN THE EVENING, THEN
CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 26-30. WEST WINDS
AROUND 20 MPH. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY
SNOW LIKELY IN THE MORNING, THEN SNOW SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SLIGHT
CHANCE OF RAIN AND SNOW IN THE EVENING. HIGHS 39-44. CHANCE OF
PRECIPITATION 70 PERCENT.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 PM PDT SAT MAY 23 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS 41-42.
SUNDAY
SUNNY. HIGHS 72-74.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 43-44.
MEMORIAL DAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS AROUND 70.
MONDAY NIGHT
RAIN LIKELY IN THE EVENING, THEN RAIN AND SNOW
LIKELY AFTER MIDNIGHT. LOWS 32-33. CHANCE OF PRECIPITATION
60 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN
SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF RAIN AND SNOW IN THE EVENING. HIGHS
45-48. CHANCE OF PRECIPITATION 60 PERCENT.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 PM PDT SAT MAY 23 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS 50-52.
SUNDAY
SUNNY. HIGHS 73-80.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
52-54.
MEMORIAL DAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 68-75.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. A 30 PERCENT CHANCE OF RAIN. LOWS AROUND 40. NORTHWEST
WINDS AROUND 20 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 47-53.
CHANCE OF PRECIPITATION 60 PERCENT.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 PM PDT SAT MAY 23 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLEAR. LOWS AROUND 50.
SUNDAY
SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 77-81.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
49-52.
MEMORIAL DAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 72-76. SOUTH WINDS AROUND 20 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 40.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MOSTLY
CLOUDY WITH A CHANCE OF RAIN IN THE EVENING. HIGHS 55-59. NORTH
WINDS AROUND 20 MPH IN THE EVENING. CHANCE OF PRECIPITATION
30 PERCENT.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 PM PDT SAT MAY 23 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 45.
SUNDAY
SUNNY. HIGHS 77-79.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
MEMORIAL DAY
SUNNY. HIGHS 72-74. SOUTHWEST WINDS AROUND 20 MPH
IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 34-35.
TUESDAY
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS, SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN IN THE EVENING. HIGHS 54-55. CHANCE OF
PRECIPITATION 30 PERCENT.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 PM PDT SAT MAY 23 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLEAR. LOWS 45-46.
SUNDAY
SUNNY. HIGHS 73-75.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 46.
MEMORIAL DAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 70. SOUTHWEST WINDS 20 TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 38-39.
SOUTHWEST WINDS 25 TO 30 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,
THEN SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN AND SNOW IN THE
EVENING. HIGHS AROUND 50. CHANCE OF PRECIPITATION 60 PERCENT.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 PM PDT SAT MAY 23 2026
TONIGHT
PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN CLEARING.
LOWS AROUND 48.
SUNDAY
SUNNY. HIGHS AROUND 70.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 48.
MEMORIAL DAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 67-69. SOUTHWEST WINDS 20 TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS 20 TO
30 MPH.
TUESDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN
THE MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS AND SNOW SHOWERS
IN THE AFTERNOON. CHANCE OF RAIN AND SNOW IN THE EVENING. HIGHS
47-49. NORTHWEST WINDS AROUND 20 MPH IN THE MORNING BECOMING
LIGHT, THEN BECOMING NORTHWEST AROUND 20 MPH IN THE EVENING.
CHANCE OF PRECIPITATION 30 PERCENT.
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