916
FPUS86 KMFR 231546
TVLMFR

FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
846 AM PDT SAT AUG 23 2025

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CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
846 AM PDT SAT AUG 23 2025

...HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT SUNDAY...

.REST OF TODAY...PARTLY CLOUDY EARLY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. HIGHS AROUND 99.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 63.
.SUNDAY...SUNNY. HIGHS AROUND 96.
.SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 63.
.MONDAY...PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON THEN
BECOMING PARTLY CLOUDY. HIGHS AROUND 95.

$$

SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
846 AM PDT SAT AUG 23 2025

.REST OF TODAY...PARTLY CLOUDY EARLY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. HIGHS 93-94.
.TONIGHT...MOSTLY CLEAR. LOWS 66-68.
.SUNDAY...SUNNY. HIGHS 91-93.
.SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 66-67.
.MONDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 90.

$$

HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
846 AM PDT SAT AUG 23 2025

.REST OF TODAY...PARTLY CLOUDY. HIGHS AROUND 103.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 64.
.SUNDAY...SUNNY. HIGHS AROUND 102.
.SUNDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 64.
.MONDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 101.

$$

WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
846 AM PDT SAT AUG 23 2025

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

.REST OF TODAY...PARTLY CLOUDY. HIGHS 85-88.
.TONIGHT...PARTLY CLOUDY. LOWS 59-62.
.SUNDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
82-85.
.SUNDAY NIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 60.
.MONDAY...PARTLY CLOUDY IN THE MORNING, THEN SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. MOSTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS IN THE EVENING. HIGHS 79-82. CHANCE OF
PRECIPITATION 20 PERCENT.

$$

DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
846 AM PDT SAT AUG 23 2025

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

.REST OF TODAY...PARTLY CLOUDY. HIGHS 86-88.
.TONIGHT...PARTLY CLOUDY. LOWS AROUND 60.
.SUNDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 82-85.
.SUNDAY NIGHT...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 57-59. CHANCE OF
PRECIPITATION 20 PERCENT.
.MONDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING.
HIGHS 79-82.

$$

CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
846 AM PDT SAT AUG 23 2025

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

.REST OF TODAY...PARTLY CLOUDY. HIGHS 82-86.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 56-57.
.SUNDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 79-83.
.SUNDAY NIGHT...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 54-56. CHANCE OF
PRECIPITATION 20 PERCENT.
.MONDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING.
HIGHS 76-82.

$$

LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
846 AM PDT SAT AUG 23 2025

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

.REST OF TODAY...PARTLY CLOUDY. HIGHS 86-89.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 60.
.SUNDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 84-87.
.SUNDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 56-59.
.MONDAY...SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON THEN
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. HIGHS 82-85. CHANCE OF PRECIPITATION 30 PERCENT.

$$

SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
846 AM PDT SAT AUG 23 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 86-94.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
64-67.
.SUNDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
84-92.
.SUNDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 63-66.
.MONDAY...SUNNY, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. HIGHS 83-91.
CHANCE OF PRECIPITATION 30 PERCENT.

$$

BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
846 AM PDT SAT AUG 23 2025

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

.REST OF TODAY...SUNNY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 90-94.
.TONIGHT...MOSTLY CLEAR. LOWS 63-66.
.SUNDAY...SUNNY. HIGHS 89-93.
.SUNDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 61-63.
.MONDAY...SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON THEN
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. HIGHS 89-92. CHANCE OF PRECIPITATION 30 PERCENT.

$$

GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
846 AM PDT SAT AUG 23 2025

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

.REST OF TODAY...PARTLY CLOUDY. HIGHS 91-92.
.TONIGHT...MOSTLY CLEAR. LOWS 57-58.
.SUNDAY...SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
90.
.SUNDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 55.
.MONDAY...SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON THEN
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. HIGHS 87-89. CHANCE OF PRECIPITATION 30 PERCENT.

$$

WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
846 AM PDT SAT AUG 23 2025

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

.REST OF TODAY...MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING
PARTLY CLOUDY. HIGHS 88-89.
.TONIGHT...MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 60.
.SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF
PRECIPITATION 30 PERCENT.
.SUNDAY NIGHT...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 58-59. CHANCE OF
PRECIPITATION 20 PERCENT.
.MONDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON AND EVENING. HIGHS 80-82. CHANCE OF PRECIPITATION
30 PERCENT.

$$

CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
846 AM PDT SAT AUG 23 2025

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

.REST OF TODAY...PARTLY CLOUDY. A 10 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 82-86.
.TONIGHT...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS 63-64. CHANCE OF PRECIPITATION 20 PERCENT.
.SUNDAY...MOSTLY CLOUDY. A 30 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 74-77.
.SUNDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 58-59. CHANCE OF PRECIPITATION 30 PERCENT.
.MONDAY...PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON AND EVENING. HIGHS 74-78. CHANCE OF PRECIPITATION
30 PERCENT.

$$

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