441  
FPUS86 KMFR 292139  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
239 PM PDT WED APR 29 2026  
 

 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 42.    
THURSDAY
 
PARTLY CLOUDY. HIGHS AROUND 74.    
THURSDAY NIGHT
 
CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 46.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 72.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS AROUND 47.    
SATURDAY
 
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON AND EVENING. HIGHS AROUND 71.  
 

 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 43.    
THURSDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 70.    
THURSDAY NIGHT
 
CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 47-49.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 67-69.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS AROUND 47.    
SATURDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 66-68.  
 

 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 42.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 79.    
THURSDAY NIGHT
 
CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 47.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 78.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS AROUND 49.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 74.  
CHANCE OF PRECIPITATION 20 PERCENT.  
 

 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
CLEAR. LOWS 36-39.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 63-64.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 40-43.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 66-68.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS 43-46. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 64-65. CHANCE OF  
PRECIPITATION 40 PERCENT.  
 

 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS 33-35.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 62-65.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLEAR. LOWS 36-39.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 65-67.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF  
RAIN AFTER MIDNIGHT. LOWS 40-42. CHANCE OF PRECIPITATION  
30 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 62-65. CHANCE OF  
PRECIPITATION 40 PERCENT.  
 

 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
CLEAR. LOWS 32-35.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 59-64.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLEAR. LOWS 36-39.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 62-66.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF  
RAIN AFTER MIDNIGHT. LOWS 39-42. CHANCE OF PRECIPITATION  
30 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS 60-65. CHANCE OF  
PRECIPITATION 40 PERCENT.  
 

 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
CLEAR. LOWS 35-37.    
THURSDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.  
HIGHS 64-66.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
FRIDAY
 
PARTLY CLOUDY. HIGHS AROUND 70.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 42-44. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN IN THE EVENING.  
HIGHS 65-67. CHANCE OF PRECIPITATION 30 PERCENT.  
 

 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
CLEAR. LOWS 43-45.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 67-71.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 46-49.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 69-75.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS AROUND 50.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN IN THE EVENING. HIGHS 65-71.  
CHANCE OF PRECIPITATION 20 PERCENT.  
 

 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
CLEAR. LOWS 40-42.    
THURSDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.  
HIGHS 69-73.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 45-47.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 72-76.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 47-49.    
SATURDAY
 
MOSTLY CLOUDY. HIGHS AROUND 70.  
 

 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
CLEAR. LOWS AROUND 36.    
THURSDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.  
HIGHS 70-72.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 41.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 74-75.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS AROUND 44.    
SATURDAY
 
MOSTLY CLOUDY. HIGHS AROUND 70.  
 

 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING  
MOSTLY CLEAR. LOWS 36-38.    
THURSDAY
 
SUNNY. HIGHS 62-63.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING.  
LOWS AROUND 39.    
FRIDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS  
66-68.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 44.    
SATURDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. HIGHS 67-68.  
 

 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
239 PM PDT WED APR 29 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 38.    
THURSDAY
 
SUNNY. HIGHS 58-59.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING.  
LOWS AROUND 40.    
FRIDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS  
62-63.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 44.    
SATURDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. HIGHS 62-64.  
 

 
 
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