585  
FPUS86 KMFR 140330  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
730 PM PST TUE JAN 13 2026  
 
 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
730 PM PST TUE JAN 13 2026  
   
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY  
 
   
REST OF TONIGHT  
CLEAR. LOWS AROUND 36.    
WEDNESDAY  
SUNNY. HIGHS AROUND 57.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 31.    
THURSDAY  
SUNNY. HIGHS AROUND 56.    
THURSDAY NIGHT  
CLEAR. LOWS AROUND 33.    
FRIDAY  
CLEAR. HIGHS AROUND 56.  
 
 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
730 PM PST TUE JAN 13 2026  
   
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY  
 
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 37-42.    
WEDNESDAY  
SUNNY. HIGHS 50-57.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 36-40.    
THURSDAY  
SUNNY. HIGHS 50-53.    
THURSDAY NIGHT  
CLEAR. LOWS 37-41.    
FRIDAY  
CLEAR. HIGHS 50-54.  
 
 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
730 PM PST TUE JAN 13 2026  
   
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY  
 
...FREEZING FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON  
PST WEDNESDAY...  
   
REST OF TONIGHT  
MOSTLY CLEAR EARLY IN THE EVENING THEN  
BECOMING MOSTLY CLOUDY. PATCHY FOG IN THE EVENING. WIDESPREAD  
DENSE FREEZING FOG THROUGH THE NIGHT. LOWS AROUND 29.    
WEDNESDAY  
CLOUDY IN THE MORNING THEN CLEARING. WIDESPREAD  
DENSE FREEZING FOG IN THE MORNING. HIGHS AROUND 48.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. WIDESPREAD DENSE FOG THROUGH THE  
NIGHT. WIDESPREAD DENSE FREEZING FOG AFTER MIDNIGHT. LOWS AROUND  
34.    
THURSDAY  
SUNNY. WIDESPREAD DENSE FREEZING FOG IN THE MORNING.  
HIGHS AROUND 46.    
THURSDAY NIGHT  
CLEAR. LOWS AROUND 34.    
FRIDAY  
CLEAR. HIGHS AROUND 46.  
 
 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
730 PM PST TUE JAN 13 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 33-36.    
WEDNESDAY  
SUNNY. HIGHS AROUND 50.    
WEDNESDAY NIGHT  
CLEAR. LOWS 26-29.    
THURSDAY  
SUNNY. HIGHS 42-45.    
THURSDAY NIGHT  
CLEAR. LOWS 26-29.    
FRIDAY  
CLEAR. HIGHS 40-43.  
 
 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
730 PM PST TUE JAN 13 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 31-35.    
WEDNESDAY  
SUNNY. HIGHS 51-57.    
WEDNESDAY NIGHT  
CLEAR. LOWS 30-33.    
THURSDAY  
SUNNY. HIGHS 49-55.    
THURSDAY NIGHT  
CLEAR. LOWS 29-33.    
FRIDAY  
CLEAR. HIGHS 48-55.  
 
 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
730 PM PST TUE JAN 13 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 31-34.    
WEDNESDAY  
SUNNY. HIGHS 50-52.    
WEDNESDAY NIGHT  
CLEAR. LOWS 27-32.    
THURSDAY  
SUNNY. HIGHS AROUND 50.    
THURSDAY NIGHT  
CLEAR. LOWS AROUND 30.    
FRIDAY  
CLEAR. HIGHS 46-50.  
 
 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
730 PM PST TUE JAN 13 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 27-34.    
WEDNESDAY  
SUNNY. HIGHS 49-52.    
WEDNESDAY NIGHT  
CLEAR. LOWS 25-33.    
THURSDAY  
SUNNY. HIGHS AROUND 50.    
THURSDAY NIGHT  
CLEAR. LOWS 27-34.    
FRIDAY  
CLEAR. HIGHS AROUND 50.  
 
 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
730 PM PST TUE JAN 13 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 32-41.    
WEDNESDAY  
SUNNY. HIGHS 51-58.    
WEDNESDAY NIGHT  
CLEAR. LOWS 34-43.    
THURSDAY  
SUNNY. HIGHS 51-56.    
THURSDAY NIGHT  
CLEAR. LOWS 33-42.    
FRIDAY  
CLEAR. HIGHS 50-55.  
 
 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
730 PM PST TUE JAN 13 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 24-33.    
WEDNESDAY  
SUNNY. HIGHS 53-57.    
WEDNESDAY NIGHT  
CLEAR. LOWS 28-35.    
THURSDAY  
SUNNY. HIGHS 50-56.    
THURSDAY NIGHT  
CLEAR. LOWS 29-36.    
FRIDAY  
CLEAR. HIGHS 51-57.  
 
 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
730 PM PST TUE JAN 13 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 27-28.    
WEDNESDAY  
SUNNY. HIGHS 55-56.    
WEDNESDAY NIGHT  
CLEAR. LOWS 26-29.    
THURSDAY  
SUNNY. HIGHS 56-57.    
THURSDAY NIGHT  
CLEAR. LOWS 27-28.    
FRIDAY  
CLEAR. HIGHS 56-58.  
 
 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
730 PM PST TUE JAN 13 2026  
   
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY  
 
   
REST OF TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLEAR. LOWS 32-33.    
WEDNESDAY  
SUNNY. HIGHS AROUND 58.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 32-33.    
THURSDAY  
SUNNY. HIGHS AROUND 56.    
THURSDAY NIGHT  
CLEAR. LOWS AROUND 32.    
FRIDAY  
CLEAR. HIGHS AROUND 55.  
 
 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
730 PM PST TUE JAN 13 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY IN  
THE LATE EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLEAR.  
LOWS 32-34.    
WEDNESDAY  
SUNNY. HIGHS AROUND 50.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 36-37.    
THURSDAY  
SUNNY. HIGHS 47-49.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 35-37.    
FRIDAY  
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND  
48.  
 
 
 
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