665  
FPUS86 KMFR 220938  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
238 AM PDT SAT AUG 22 2026  
 

 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS AROUND 82.    
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 53.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 77.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 54.    
MONDAY
 
MOSTLY CLEAR. HIGHS AROUND 88.  
 

 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS 77-78.    
TONIGHT
 
MOSTLY CLEAR. LOWS 55-56.    
SUNDAY
 
SUNNY. HIGHS 74-75.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 60.    
MONDAY
 
MOSTLY CLEAR. HIGHS 85-87.  
 

 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS AROUND 84.    
TONIGHT
 
CLEAR. LOWS AROUND 53.    
SUNDAY
 
SUNNY. HIGHS AROUND 87.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 55.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLEAR. HIGHS AROUND 93.  
 

 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS 69-73.    
TONIGHT
 
MOSTLY CLEAR. LOWS 44-47.    
SUNDAY
 
SUNNY. HIGHS 67-71.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 45-48.    
MONDAY
 
MOSTLY CLEAR. HIGHS AROUND 80.  
 

 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS 70-72.    
TONIGHT
 
MOSTLY CLEAR. LOWS 39-42.    
SUNDAY
 
SUNNY. HIGHS 71-73.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 43-45.    
MONDAY
 
MOSTLY CLEAR. HIGHS AROUND 80.  
 

 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS 66-71.    
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
SUNDAY
 
SUNNY. HIGHS 70-77.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 42-45.    
MONDAY
 
MOSTLY CLEAR. HIGHS 78-82.  
 

 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS 74-76.    
TONIGHT
 
CLEAR. LOWS 44-46.    
SUNDAY
 
SUNNY. HIGHS 75-79.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50.    
MONDAY
 
MOSTLY CLEAR. HIGHS 83-87.  
 

 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS 74-81.    
TONIGHT
 
CLEAR. LOWS 51-54.    
SUNDAY
 
SUNNY. HIGHS 74-81.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 60.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLEAR. HIGHS 83-88.  
 

 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS 80-84.    
TONIGHT
 
CLEAR. LOWS AROUND 50.    
SUNDAY
 
SUNNY. HIGHS 82-85.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 54-57.    
MONDAY
 
MOSTLY CLEAR. HIGHS 82-85.  
 

 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
SUNNY. HIGHS AROUND 80.    
TONIGHT
 
CLEAR. LOWS 43-44.    
SUNDAY
 
SUNNY. HIGHS 82-83.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 47-49.    
MONDAY
 
MOSTLY CLEAR. HIGHS AROUND 84.  
 

 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
MOSTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 80. SOUTHWEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND  
35 MPH IN THE AFTERNOON.    
TONIGHT
 
PARTLY CLOUDY. LOWS 48-49.    
SUNDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS  
AROUND 80.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 50-52.    
MONDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
80-82.  
 

 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
238 AM PDT SAT AUG 22 2026  
   
TODAY
 
PARTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS  
74-77. SOUTHWEST WINDS 20 TO 25 MPH IN THE LATE MORNING AND  
AFTERNOON.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 49.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. HIGHS 75-78.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 56-57.    
MONDAY
 
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLEAR. A 20 PERCENT CHANCE OF  
SHOWERS IN THE AFTERNOON. HIGHS AROUND 80.  
 

 
 
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