261
FPUS86 KMFR 031035
TVLMFR

FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
335 AM PDT WED SEP 3 2025

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CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
335 AM PDT WED SEP 3 2025

.TODAY...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS AROUND 91.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 58.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
AREAS OF SMOKE IN THE MORNING. HIGHS AROUND 92.
.THURSDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 58.
.FRIDAY...PARTLY CLOUDY. HIGHS AROUND 86.

$$

SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
335 AM PDT WED SEP 3 2025

.TODAY...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 87-88.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 65-67.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
AREAS OF SMOKE IN THE MORNING. HIGHS 87-88.
.THURSDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 65-66.
.FRIDAY...PARTLY CLOUDY. HIGHS AROUND 82.

$$

HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
335 AM PDT WED SEP 3 2025

.TODAY...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS AROUND 97.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR. LOWS
AROUND 59.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
HIGHS AROUND 95.
.THURSDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 58.
.FRIDAY...PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN THE
EVENING. HIGHS AROUND 91.

$$

WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
335 AM PDT WED SEP 3 2025

.TODAY...MOSTLY CLOUDY. AREAS OF SMOKE IN THE MORNING. CHANCE OF
SHOWERS IN THE MORNING, THEN CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 76-79. CHANCE OF PRECIPITATION 30 PERCENT.
.TONIGHT...AREAS OF SMOKE IN THE EVENING. PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 53-56. CHANCE OF
PRECIPITATION 30 PERCENT.
.THURSDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 76-79.
.THURSDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS 53-57. CHANCE OF PRECIPITATION 20 PERCENT.
.FRIDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON AND EVENING. HIGHS 72-75. CHANCE OF PRECIPITATION
40 PERCENT.

$$

DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
335 AM PDT WED SEP 3 2025

.TODAY...MOSTLY CLOUDY. AREAS OF SMOKE IN THE MORNING. CHANCE OF
SHOWERS IN THE MORNING, THEN CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 80. CHANCE OF PRECIPITATION 30 PERCENT.
.TONIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. AREAS OF SMOKE
THROUGH THE NIGHT. LOWS 53-54.
.THURSDAY...AREAS OF SMOKE IN THE MORNING. SUNNY IN THE MORNING,
THEN PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80.
.THURSDAY NIGHT...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 53-54. CHANCE OF
PRECIPITATION 20 PERCENT.
.FRIDAY...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING. HIGHS
74-77. CHANCE OF PRECIPITATION 40 PERCENT.

$$

CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
335 AM PDT WED SEP 3 2025

.TODAY...MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
MORNING THEN BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN
THE MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 74-79. CHANCE OF
PRECIPITATION 30 PERCENT.
.TONIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING, THEN CLEAR AFTER MIDNIGHT. AREAS OF SMOKE THROUGH
THE NIGHT. LOWS AROUND 50.
.THURSDAY...AREAS OF SMOKE IN THE MORNING. SUNNY IN THE MORNING,
THEN PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 74-79.
.THURSDAY NIGHT...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF
PRECIPITATION 20 PERCENT.
.FRIDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON AND EVENING. HIGHS 71-75. CHANCE OF PRECIPITATION
30 PERCENT.

$$

LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
335 AM PDT WED SEP 3 2025

.TODAY...MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 80-82. CHANCE OF PRECIPITATION 30 PERCENT.
.TONIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS IN
THE EVENING, THEN CLEAR AFTER MIDNIGHT. AREAS OF SMOKE THROUGH
THE NIGHT. LOWS 52-56.
.THURSDAY...AREAS OF SMOKE IN THE MORNING. SUNNY IN THE MORNING,
THEN PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 79-82.
.THURSDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 51-55.
.FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE EVENING. HIGHS 77-79.
CHANCE OF PRECIPITATION 20 PERCENT.

$$

SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
335 AM PDT WED SEP 3 2025

.TODAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. AREAS OF
SMOKE IN THE AFTERNOON. HIGHS 81-87. CHANCE OF PRECIPITATION
20 PERCENT.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR.
AREAS OF SMOKE. LOWS 61-66.
.THURSDAY...SUNNY. AREAS OF SMOKE IN THE MORNING. HIGHS 81-88.
.THURSDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 59-64.
.FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE EVENING. HIGHS 77-84.
CHANCE OF PRECIPITATION 20 PERCENT.

$$

BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
335 AM PDT WED SEP 3 2025

.TODAY...PARTLY CLOUDY. AREAS OF SMOKE. HIGHS 85-88.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING. AREAS OF
SMOKE. LOWS 57-61.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
AREAS OF SMOKE IN THE MORNING. HIGHS 84-87.
.THURSDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS 56-59.
.FRIDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
80-83.

$$

GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
335 AM PDT WED SEP 3 2025

.TODAY...PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. AREAS OF SMOKE IN THE AFTERNOON. HIGHS 83-85.
.TONIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS AROUND 50.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 83-84.
.THURSDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 50.
.FRIDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
80-82.

$$

WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
335 AM PDT WED SEP 3 2025

.TODAY...MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 77-79.
.TONIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS 56-57.
.THURSDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS AROUND 79.
.THURSDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 54.
.FRIDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON AND EVENING. HIGHS 77-78. CHANCE OF PRECIPITATION
30 PERCENT.

$$

CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
335 AM PDT WED SEP 3 2025

.TODAY...PARTLY CLOUDY UNTIL EARLY AFTERNOON THEN BECOMING MOSTLY
CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 72-75.
.TONIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. AREAS OF SMOKE IN THE EVENING. LOWS 57-58.
.THURSDAY...PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 73-75.
.THURSDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 56-57.
.FRIDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. HIGHS 72-75.
CHANCE OF PRECIPITATION 30 PERCENT.

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VISIT US AT WWW.WEATHER.GOV/MEDFORD