834
FPUS86 KMFR 241517
TVLMFR

FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
817 AM PDT SUN AUG 24 2025

$$

CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
817 AM PDT SUN AUG 24 2025

...HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING...

.REST OF TODAY...PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 96.
.TONIGHT...PARTLY CLOUDY. LOWS AROUND 63.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 93.
.MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 60.
.TUESDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 91.

$$

SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...SUNNY EARLY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 92-93.
.TONIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 67-68.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 89.
.MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 65-67.
.TUESDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 87-88.

$$

HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...SUNNY EARLY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 100.
.TONIGHT...PARTLY CLOUDY. LOWS AROUND 64.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 100.
.MONDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 63.
.TUESDAY...SUNNY, THEN PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. HIGHS AROUND 99.

$$

WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 80-83.
.TONIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS AROUND 60.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 30 PERCENT CHANCE OF THUNDERSTORMS. HIGHS AROUND 80.
.MONDAY NIGHT...MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 57-59.
.TUESDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS 76-78.

$$

DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 81-83.
.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 30 PERCENT CHANCE OF THUNDERSTORMS. LOWS 57-58.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 40 PERCENT CHANCE OF THUNDERSTORMS. HIGHS AROUND 80.
.MONDAY NIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 54-57.
.TUESDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A 30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS 76-79.

$$

CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 77-82.
.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 30 PERCENT CHANCE OF THUNDERSTORMS. LOWS 52-54.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 40 PERCENT CHANCE OF THUNDERSTORMS. HIGHS 73-77.
.MONDAY NIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 51-53.
.TUESDAY...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON AND EVENING. HIGHS 73-78. CHANCE OF PRECIPITATION
30 PERCENT.

$$

LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 83-85.
.TONIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 54-58.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 40 PERCENT CHANCE OF THUNDERSTORMS. HIGHS 80-82.
.MONDAY NIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 53-56.
.TUESDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A 30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS 79-82.

$$

SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...SUNNY EARLY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. A 10 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 84-91.
.TONIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 63-66.
.MONDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 82-89.
.MONDAY NIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 61-64.
.TUESDAY...SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING.
HIGHS 79-87.

$$

BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...SUNNY EARLY IN THE MORNING, THEN PARTLY CLOUDY
WITH A 10 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
90-94.
.TONIGHT...PARTLY CLOUDY. A 30 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS AROUND 60.
.MONDAY...SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
90.
.MONDAY NIGHT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 60.
.TUESDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A 40 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS 85-88.

$$

GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS AROUND 90.
.TONIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 53.
.MONDAY...SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 85-86.
.MONDAY NIGHT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 53.
.TUESDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A 40 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS 83-84.

$$

WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 78-79.
.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 30 PERCENT CHANCE OF THUNDERSTORMS. LOWS 56-57.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 40 PERCENT CHANCE OF THUNDERSTORMS. HIGHS 77-79.
.MONDAY NIGHT...MOSTLY CLOUDY. A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 54-56.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN CHANCE OF
THUNDERSTORMS IN THE AFTERNOON AND EVENING. HIGHS 77-78. CHANCE
OF PRECIPITATION 40 PERCENT.

$$

CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
817 AM PDT SUN AUG 24 2025

.REST OF TODAY...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 73-77.
.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 40 PERCENT CHANCE OF THUNDERSTORMS. LOWS AROUND 58.
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 50 PERCENT CHANCE OF THUNDERSTORMS. HIGHS 71-75.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS
AROUND 57. CHANCE OF PRECIPITATION 40 PERCENT.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS 70-73.

$$

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