326  
FPUS86 KMFR 272159  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
259 PM PDT MON OCT 27 2025  
 

 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR AFTER  
MIDNIGHT THEN BECOMING PARTLY CLOUDY. LOWS AROUND 37.    
TUESDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
HIGHS AROUND 65.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A 30 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 44.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 60.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 43.    
THURSDAY
 
MOSTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON  
THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 64.  
 

 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE  
EVENING THEN BECOMING MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY  
WELL AFTER MIDNIGHT. LOWS AROUND 36.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
58-59.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 46-47.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 56.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS 45-46.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
57-58.  
 

 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE  
EVENING THEN BECOMING MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY  
WELL AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 34.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. AREAS OF  
FROST AND PATCHY FOG IN THE MORNING. HIGHS AROUND 66.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 44.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 65.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 43.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 67.  
 

 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 23-29.    
TUESDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
PATCHY FOG IN THE MORNING. HIGHS 53-54.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A 30 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 36-39.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN  
THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS AROUND 50.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS 34-38.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 51-54.  
 

 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE  
EVENING THEN BECOMING MOSTLY CLEAR. LOWS AROUND 20.    
TUESDAY
 
SUNNY. HIGHS 53-56.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 34-35.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN  
THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 51-53.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 31-33.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 54-57.  
 

 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE  
EVENING THEN BECOMING MOSTLY CLEAR. LOWS AROUND 20.    
TUESDAY
 
SUNNY. HIGHS 51-54.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 32-34.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
48-53.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 31-34.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 51-54.  
 

 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS 21-25.    
TUESDAY
 
SUNNY. HIGHS 55-57.    
TUESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 34-36.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
54-56.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 33-36.    
THURSDAY
 
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLEAR. HIGHS 54-57.  
 

 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 30.    
TUESDAY
 
SUNNY. HIGHS 55-58.    
TUESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 40-43.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
55-61.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 40-42.    
THURSDAY
 
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLEAR. HIGHS 54-61.  
 

 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
CLEAR. LOWS 32-35.    
TUESDAY
 
SUNNY. HIGHS 59-62.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
61-64.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 35-38.    
THURSDAY
 
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLEAR. HIGHS 62-64.  
 

 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
CLEAR. LOWS AROUND 30.    
TUESDAY
 
SUNNY. HIGHS AROUND 60.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 33.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
HIGHS 61-62.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 32-33.    
THURSDAY
 
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLEAR. HIGHS 61-62.  
 

 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE EVENING  
THEN BECOMING MOSTLY CLEAR. LOWS 22-23.    
TUESDAY
 
SUNNY. HIGHS 54-55.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 33-34.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
55-56.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 34.    
THURSDAY
 
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLEAR. HIGHS 56-57.  
 

 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
259 PM PDT MON OCT 27 2025  
   
TONIGHT
 
CLEAR. LOWS 24-25.    
TUESDAY
 
SUNNY. HIGHS AROUND 50.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
AROUND 36.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
51-53.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 36.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 51-54.  
 

 
 
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