683
FPUS86 KMFR 040030
TVLMFR

FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
530 PM PDT WED SEP 3 2025

$$

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

.TONIGHT...MOSTLY CLEAR. ISOLATED THUNDERSTORMS IN THE EVENING.
LOWS AROUND 59.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
AREAS OF SMOKE. HIGHS AROUND 94.
.THURSDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. AREAS OF SMOKE IN THE EVENING. LOWS AROUND 58.
.FRIDAY...PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 87.
.FRIDAY 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 56. CHANCE OF
PRECIPITATION 20 PERCENT.
.SATURDAY...MOSTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN
THE MORNING. HIGHS AROUND 82.

$$

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

.TONIGHT...MOSTLY CLEAR. ISOLATED THUNDERSTORMS IN THE EVENING.
LOWS 66-67.
.THURSDAY...SUNNY. AREAS OF SMOKE THROUGH THE DAY. HIGHS AROUND
90.
.THURSDAY NIGHT...AREAS OF SMOKE IN THE EVENING. MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 65.
.FRIDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 83-84.
.FRIDAY 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 60. CHANCE OF
PRECIPITATION 20 PERCENT.
.SATURDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS IN
THE MORNING, THEN MOSTLY CLEAR IN THE AFTERNOON AND EVENING.
HIGHS 78-79.

$$

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

.TONIGHT...MOSTLY CLEAR. LOWS AROUND 59.
.THURSDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
97.
.THURSDAY NIGHT...AREAS OF SMOKE IN THE EVENING. PARTLY CLOUDY
WITH A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
MOSTLY CLEAR AFTER MIDNIGHT. LOWS AROUND 59.
.FRIDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
92.
.FRIDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 56.
.SATURDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS IN
THE MORNING, THEN MOSTLY CLEAR IN THE AFTERNOON AND EVENING.
HIGHS AROUND 84.

$$

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

.TONIGHT...PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS IN THE
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. AREAS OF SMOKE THROUGH
THE NIGHT. LOWS 54-57.
.THURSDAY...SUNNY. AREAS OF SMOKE THROUGH THE DAY. HIGHS AROUND
80.
.THURSDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
AREAS OF SMOKE THROUGH THE NIGHT. LOWS 55-57. CHANCE OF
PRECIPITATION 20 PERCENT.
.FRIDAY...AREAS OF SMOKE IN THE MORNING. 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. HIGHS 73-76. CHANCE OF PRECIPITATION 40 PERCENT.
.FRIDAY NIGHT...MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 51-53.
CHANCE OF PRECIPITATION 30 PERCENT.
.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70.
CHANCE OF PRECIPITATION 30 PERCENT.

$$

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

.TONIGHT...PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. ISOLATED THUNDERSTORMS IN THE EVENING. AREAS OF
SMOKE THROUGH THE NIGHT. LOWS 53-54.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
AREAS OF SMOKE. HIGHS AROUND 80.
.THURSDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
AREAS OF SMOKE THROUGH THE NIGHT. LOWS 52-53. CHANCE OF
PRECIPITATION 20 PERCENT.
.FRIDAY...AREAS OF SMOKE IN THE MORNING. 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. HIGHS 74-78. CHANCE OF PRECIPITATION 40 PERCENT.
.FRIDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF PRECIPITATION
40 PERCENT.
.SATURDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING. HIGHS
AROUND 70. CHANCE OF PRECIPITATION 30 PERCENT.

$$

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

.TONIGHT...PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. ISOLATED THUNDERSTORMS IN THE EVENING. AREAS OF
SMOKE THROUGH THE NIGHT. LOWS 50-52.
.THURSDAY...SUNNY. AREAS OF SMOKE IN THE MORNING. HIGHS 74-79.
.THURSDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
AREAS OF SMOKE THROUGH THE NIGHT. LOWS 51-52. 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. HIGHS 71-75. CHANCE OF PRECIPITATION 30 PERCENT.
.FRIDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS 46-49. CHANCE OF PRECIPITATION 30 PERCENT.
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS IN THE EVENING. HIGHS 66-71. CHANCE OF
PRECIPITATION 20 PERCENT.

$$

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

.TONIGHT...MOSTLY CLEAR. ISOLATED THUNDERSTORMS IN THE EVENING.
AREAS OF SMOKE AFTER MIDNIGHT. LOWS 51-55.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
AREAS OF SMOKE THROUGH THE DAY. HIGHS 80-83.
.THURSDAY NIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
AREAS OF SMOKE THROUGH THE NIGHT. LOWS 51-53.
.FRIDAY...PARTLY CLOUDY. AREAS OF SMOKE THROUGH THE DAY. A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
80.
.FRIDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS
AROUND 50. CHANCE OF PRECIPITATION 20 PERCENT.
.SATURDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON AND EVENING. HIGHS
72-74.

$$

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

.TONIGHT...MOSTLY CLEAR. LOWS 58-66.
.THURSDAY...SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 82-89.
.THURSDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. AREAS OF SMOKE THROUGH THE NIGHT.
LOWS 57-62.
.FRIDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. AREAS OF
SMOKE THROUGH THE DAY. HIGHS 78-85.
.FRIDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 56-59.
.SATURDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 74-80.

$$

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

.TONIGHT...MOSTLY CLEAR. AREAS OF SMOKE IN THE EVENING. LOWS
56-59.
.THURSDAY...SUNNY. AREAS OF SMOKE IN THE AFTERNOON. HIGHS 85-88.
.THURSDAY NIGHT...MOSTLY CLEAR. AREAS OF SMOKE IN THE EVENING.
LOWS 53-55.
.FRIDAY...SUNNY. AREAS OF SMOKE IN THE AFTERNOON. HIGHS 81-84.
.FRIDAY NIGHT...MOSTLY CLEAR. LOWS 52-56.
.SATURDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 75-77.

$$

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

.TONIGHT...PARTLY CLOUDY EARLY IN THE EVENING THEN CLEARING.
AREAS OF SMOKE IN THE EVENING. LOWS AROUND 50.
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 84-85.
.THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. AREAS OF SMOKE. LOWS AROUND 48.
.FRIDAY...SUNNY. AREAS OF SMOKE. HIGHS 81-83.
.FRIDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 48.
.SATURDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 75-76.

$$

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

.TONIGHT...MOSTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE EVENING.
LOWS 55-57. CHANCE OF THUNDERSTORMS 10 PERCENT.
.THURSDAY...PARTLY CLOUDY. HIGHS AROUND 80.
.THURSDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 55.
.FRIDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF
PRECIPITATION 30 PERCENT.
.FRIDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS AROUND 53. CHANCE OF PRECIPITATION
30 PERCENT.
.SATURDAY...PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 75-76.

$$

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

.TONIGHT...MOSTLY CLOUDY WITH ISOLATED THUNDERSTORMS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 54-55. CHANCE OF
THUNDERSTORMS 10 PERCENT.
.THURSDAY...SUNNY. HIGHS 74-77.
.THURSDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 55-56.
.FRIDAY AND FRIDAY NIGHT...PARTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 73-76. LOWS 54-56.
.SATURDAY...PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 70-72.

$$

VISIT US AT WWW.WEATHER.GOV/MEDFORD