FPUS86 KMFR 230938
TVLMFR

FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 AM PDT SUN AUG 23 2026

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CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS AROUND 82. 
.TONIGHT...MOSTLY CLEAR. LOWS AROUND 53. 
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 93. 
.MONDAY NIGHT...CLEAR. LOWS AROUND 56. 
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 88. 

$$

SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS AROUND 80. 
.TONIGHT...MOSTLY CLEAR. LOWS 56-59. 
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 90. 
.MONDAY NIGHT...CLEAR. LOWS 61-62. 
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
83-84. 

$$

HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS AROUND 90. 
.TONIGHT...MOSTLY CLEAR. LOWS AROUND 54. 
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 96. 
.MONDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 56. 
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 90. 

$$

WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS 69-74. 
.TONIGHT...MOSTLY CLEAR. LOWS AROUND 50. 
.MONDAY...SUNNY. HIGHS 77-82. 
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 50-52. 
.TUESDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR. HIGHS 75-80.

$$

DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS 72-75. 
.TONIGHT...MOSTLY CLEAR. LOWS 44-47. 
.MONDAY...SUNNY. HIGHS AROUND 80. 
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 47-49. 
.TUESDAY...PARTLY CLOUDY THEN CLEARING. HIGHS 76-79. 

$$

CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS 71-77. 
.TONIGHT...MOSTLY CLEAR. LOWS 43-45. 
.MONDAY...SUNNY. HIGHS 76-82. 
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 45-47. 
.TUESDAY...PARTLY CLOUDY. HIGHS 73-79. 

$$

LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS AROUND 80. 
.TONIGHT...MOSTLY CLEAR. LOWS AROUND 50. 
.MONDAY...SUNNY. HIGHS 81-84. 
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 49-52. 
.TUESDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR. HIGHS 80-83.

$$

SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS 76-83. 
.TONIGHT...MOSTLY CLEAR. LOWS 54-56. 
.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
80-87. 
.MONDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 60. 
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
78-85. 

$$

BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY.
HIGHS 83-86. 
.TONIGHT...MOSTLY CLEAR. LOWS 53-56. 
.MONDAY...SUNNY. HIGHS 82-86. 
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 54-58. 
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
80-83. 

$$

GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY. HIGHS 83-84. 
.TONIGHT...MOSTLY CLEAR. LOWS AROUND 46. 
.MONDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
84-86. 
.MONDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 48. 
.TUESDAY...PARTLY CLOUDY THEN CLEARING. HIGHS 82-84. 

$$

WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 AM PDT SUN AUG 23 2026

.TODAY...SUNNY UNTIL EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY.
HIGHS AROUND 80. 
.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN CLEARING.LOWS
AROUND 50. 
.MONDAY...MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 81-82.
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 51-52. 
.TUESDAY...PARTLY CLOUDY. HIGHS 81-82. 

$$

CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 AM PDT SUN AUG 23 2026

.TODAY...PARTLY CLOUDY THEN BECOMING SUNNY EARLY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 75-78. 
.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 54. 
.MONDAY...MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 75-78. 
.MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 53. 
.TUESDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE
AFTERNOON THEN BECOMING PARTLY CLOUDY. HIGHS 76-79. 

$$

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