632
FPUS86 KMFR 211004
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
304 AM PDT TUE JUL 21 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
304 AM PDT TUE JUL 21 2026
TODAY
MOSTLY CLOUDY. HIGHS AROUND 94.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 62.
WEDNESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS AROUND 95.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 57.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 86.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
304 AM PDT TUE JUL 21 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS AROUND 89.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 70.
WEDNESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS AROUND 90.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 64-65.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 82.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
304 AM PDT TUE JUL 21 2026
TODAY
MOSTLY CLOUDY. HIGHS AROUND 97.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 61.
WEDNESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS AROUND 97.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 57.
THURSDAY
MOSTLY CLEAR. HIGHS AROUND 88.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
304 AM PDT TUE JUL 21 2026
TODAY
PARTLY CLOUDY. AREAS OF SMOKE THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 78-83.
TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. LOWS 56-57.
WEDNESDAY
SUNNY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN MOSTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE
GUSTY WINDS AND SMALL HAIL IN THE AFTERNOON. HIGHS 78-83. CHANCE
OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 53-55.
THURSDAY
MOSTLY CLEAR. HIGHS 74-79.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
304 AM PDT TUE JUL 21 2026
TODAY
PARTLY CLOUDY. PATCHY SMOKE THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 80-83.
TONIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS 53-56.
WEDNESDAY
SUNNY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE
GUSTY WINDS AND SMALL HAIL IN THE AFTERNOON. HIGHS 81-84. CHANCE
OF PRECIPITATION 60 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 50-52.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 80.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
304 AM PDT TUE JUL 21 2026
TODAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 78-82.
TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. LOWS 51-53.
WEDNESDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL HAIL IN THE
AFTERNOON. HIGHS 79-83.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 50.
THURSDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 75-79.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
304 AM PDT TUE JUL 21 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 83-85.
TONIGHT
PATCHY SMOKE IN THE EVENING. PARTLY CLOUDY WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR
AFTER MIDNIGHT. LOWS 56-58.
WEDNESDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 84-87.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CLEAR AFTER MIDNIGHT. LOWS
52-54.
THURSDAY
CLEAR. HIGHS 80-83.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
304 AM PDT TUE JUL 21 2026
TODAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 81-88.
TONIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 64-68.
WEDNESDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 82-89.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CLEAR AFTER
MIDNIGHT. LOWS 61-64. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY
CLEAR. HIGHS 79-87.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
304 AM PDT TUE JUL 21 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 86-90.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 59-63.
WEDNESDAY
SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS 85-89.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN CLEAR AFTER MIDNIGHT. LOWS 56-60.
THURSDAY
CLEAR. HIGHS 83-87.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
304 AM PDT TUE JUL 21 2026
TODAY
PARTLY CLOUDY. HIGHS 86-88.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 55-56.
WEDNESDAY
SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS 88-89.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN CLEAR AFTER MIDNIGHT. LOWS AROUND
52.
THURSDAY
CLEAR. HIGHS 85-87.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
304 AM PDT TUE JUL 21 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. AREAS OF SMOKE THROUGH THE
DAY. A 10 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
81-82.
TONIGHT
MOSTLY CLOUDY. A 10 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS 57-58.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY
WITH A 30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
84-85.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 56-57.
THURSDAY
SUNNY THEN BECOMING CLEAR. HIGHS 85-86.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
304 AM PDT TUE JUL 21 2026
TODAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 74-77.
TONIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS AROUND 60.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY
WITH A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 80.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 58-59.
THURSDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS
80-83.
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