789
FPUS86 KMFR 160643
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
1143 PM PDT TUE SEP 15 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 48.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 74.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 50.
THURSDAY
MOSTLY CLOUDY. HIGHS AROUND 77.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 49.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
78.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS 48-49.
WEDNESDAY
SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 70.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 50-52.
THURSDAY
MOSTLY CLOUDY. HIGHS AROUND 71.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 50.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
74.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
PARTLY CLOUDY LATE IN THE EVENING THEN
BECOMING MOSTLY CLEAR. LOWS AROUND 47.
WEDNESDAY
SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 79.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 49.
THURSDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS AROUND 80.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 48.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
84.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
PARTLY CLOUDY LATE IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 10 PERCENT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS 39-42.
WEDNESDAY
PARTLY CLOUDY. HIGHS AROUND 60.
WEDNESDAY NIGHT
MOSTLY CLEAR WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 40-44.
THURSDAY
CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 60-62. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
40-44.
FRIDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 63-65.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 37-38. EAST WINDS AROUND 20 MPH WELL
AFTER MIDNIGHT.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 60-63. EAST WINDS 20 TO 25 MPH. CHANCE OF PRECIPITATION
10 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 40.
CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY
CLOUDY. CHANCE OF SHOWERS IN THE MORNING, THEN CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 59-62. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS
AROUND 40.
FRIDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 63-66.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS 35-37.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 58-63. EAST WINDS AROUND
20 MPH IN THE MORNING BECOMING LIGHT. CHANCE OF PRECIPITATION
20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY
CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
37-39. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 56-62. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS
36-38.
FRIDAY
MOSTLY CLEAR. HIGHS 61-67.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
PARTLY CLOUDY LATE IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS AROUND 40.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64-66.
CHANCE OF PRECIPITATION 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 40-43. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 62-65. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS
40-43.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
70.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING, THEN PARTLY
CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS
45-48.
WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 65-71.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 50.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 63-70. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS
AROUND 50.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS 68-75.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 42-43.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS AROUND 70. CHANCE OF PRECIPITATION 20 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 42-45.
THURSDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS AROUND 70.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN CLEAR AFTER MIDNIGHT. LOWS 44-47.
FRIDAY
CLEAR. HIGHS 74-77.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS. LOWS AROUND 39.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 70. CHANCE OF PRECIPITATION
40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 40.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 67-68. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS
AROUND 40.
FRIDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS 72-74.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
PARTLY CLOUDY LATE IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 41. CHANCE OF
PRECIPITATION 30 PERCENT.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65-67.
CHANCE OF PRECIPITATION 30 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 42. CHANCE OF
PRECIPITATION 20 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 61-63. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 41-42. CHANCE OF
PRECIPITATION 40 PERCENT.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN A 20 PERCENT CHANCE
OF RAIN IN THE AFTERNOON. MOSTLY CLEAR IN THE EVENING. HIGHS
65-66.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
1143 PM PDT TUE SEP 15 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 41.
WEDNESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 62-65.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 42.
THURSDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 59-62.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
AROUND 42.
FRIDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON THEN
BECOMING MOSTLY CLEAR. HIGHS 62-65.
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