593
FPUS86 KMFR 032139
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
239 PM PDT SUN MAY 3 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 50.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 49.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 75.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 49.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
AROUND 79.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. CHANCE OF
PRECIPITATION 40 PERCENT.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
64-65.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 48.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70.
TUESDAY NIGHT
CLEAR. LOWS AROUND 50.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
74-75.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 50.
MONDAY
PARTLY CLOUDY. HIGHS AROUND 72.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 48.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 80.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 49.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
AROUND 83.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
239 PM PDT SUN MAY 3 2026
TONIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER
MIDNIGHT. LOWS 44-47. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY
SUNNY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS
65-66.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 42-45.
TUESDAY
SUNNY. HIGHS 67-68.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 43-46.
WEDNESDAY
CLEAR. HIGHS 68-69.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 42-43. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 65-66.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
SUNNY. HIGHS 66-68.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 41-42.
WEDNESDAY
CLEAR. HIGHS AROUND 70.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 40-44. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 61-67.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 37-41.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 62-68.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 39-43.
WEDNESDAY
CLEAR. HIGHS 65-70.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 43-45. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 62-66. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS AROUND 42.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
66-69.
TUESDAY NIGHT
CLEAR. LOWS 43-44.
WEDNESDAY
CLEAR. HIGHS 70-73.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60-66.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 45-47. NORTH WINDS AROUND
20 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
66-72.
TUESDAY NIGHT
CLEAR. LOWS AROUND 50.
WEDNESDAY
CLEAR. HIGHS 72-78.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 45-47. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 61-66. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 44-45.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
70-74.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46-48.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
76-80.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS AROUND 42. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 66-68. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 41-42.
TUESDAY
SUNNY. HIGHS 72-74.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 43.
WEDNESDAY
CLEAR. HIGHS 77-79.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 42.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
68-69.
MONDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS AROUND 45.
TUESDAY
SUNNY. HIGHS 68-69.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 44.
WEDNESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 72-73.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
239 PM PDT SUN MAY 3 2026
TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 42-43.
MONDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 60-63. CHANCE OF
PRECIPITATION 40 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 43-44. CHANCE OF PRECIPITATION 30 PERCENT.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS 63-64.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
43-44.
WEDNESDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
66-68.
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