270  
FPUS86 KMFR 102044  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
1243 PM PST SAT JAN 10 2026  
 

 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
1243 PM PST SAT JAN 10 2026  
   
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST SUNDAY
 
 
   
TONIGHT
 
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 35.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 52.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 35.    
MONDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 53.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 36.    
TUESDAY
 
MOSTLY CLEAR. HIGHS AROUND 57.  
 

 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
1243 PM PST SAT JAN 10 2026  
   
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST SUNDAY
 
 
   
TONIGHT
 
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE  
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS  
34-36.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 46-49.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 33-37.    
MONDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 34-40.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 51-54.  
 

 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
1243 PM PST SAT JAN 10 2026  
   
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST SUNDAY
 
 
   
TONIGHT
 
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER  
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. AREAS OF FOG AFTER  
MIDNIGHT. LOWS AROUND 33.    
SUNDAY
 
PARTLY CLOUDY. AREAS OF DENSE FOG IN THE MORNING. HIGHS  
AROUND 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 32.    
MONDAY
 
PARTLY CLOUDY. HIGHS AROUND 51.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 34.    
TUESDAY
 
MOSTLY CLEAR. HIGHS AROUND 55.  
 

 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
1243 PM PST SAT JAN 10 2026  
   
TONIGHT
 
PARTLY CLOUDY. LOWS 25-28.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 43-44.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 30.    
MONDAY
 
PARTLY CLOUDY. HIGHS 46-47.    
MONDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 31-34.    
TUESDAY
 
MOSTLY CLEAR. HIGHS AROUND 50.  
 

 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
1243 PM PST SAT JAN 10 2026  
   
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 23-25.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 42-45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25-27.    
MONDAY
 
PARTLY CLOUDY. HIGHS 46-49.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 49-52.  
 

 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
1243 PM PST SAT JAN 10 2026  
   
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 21-24.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 40-43.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25-27.    
MONDAY
 
PARTLY CLOUDY. HIGHS 44-46.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 28-29.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 46-49.  
 

 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
1243 PM PST SAT JAN 10 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 24-27.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 43-44.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25-28.    
MONDAY
 
PARTLY CLOUDY. HIGHS 46-48.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30.    
TUESDAY
 
MOSTLY CLEAR. HIGHS AROUND 50.  
 

 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
1243 PM PST SAT JAN 10 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 29-34.    
SUNDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
43-47.    
SUNDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 27-31.    
MONDAY
 
PARTLY CLOUDY. HIGHS 46-49.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 30-34.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 49-52.  
 

 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
1243 PM PST SAT JAN 10 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 30-32.    
SUNDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 50.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 30-32.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
51-54.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 33-34.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 55-57.  
 

 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
1243 PM PST SAT JAN 10 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 27-28.    
SUNDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 27.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
51-53.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 54-56.  
 

 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
1243 PM PST SAT JAN 10 2026  
   
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST SUNDAY
 
 
   
TONIGHT
 
MOSTLY CLOUDY. LOWS AROUND 28.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
45-47.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 28-29.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
AROUND 32.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 52-53.  
 

 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
1243 PM PST SAT JAN 10 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS AROUND 29.    
SUNDAY
 
PARTLY CLOUDY. HIGHS AROUND 41.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 27-28.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
43-44.    
MONDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
AROUND 31.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 47-48.  
 

 
 
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