581  
FPUS86 KMFR 290837  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
1237 AM PST THU JAN 29 2026  
 
 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS AROUND 39.    
THURSDAY  
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS AROUND 53.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 40.    
FRIDAY  
MOSTLY CLOUDY. HIGHS AROUND 57.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 40.    
SATURDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING.  
HIGHS AROUND 58.  
 
 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS AROUND 40.    
THURSDAY  
MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS AROUND 50.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS 42-43.    
FRIDAY  
MOSTLY CLOUDY. HIGHS 53-54.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS 41-44.    
SATURDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING.  
HIGHS 54-57.  
 
 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 38.    
THURSDAY  
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS AROUND 52.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 40.    
FRIDAY  
MOSTLY CLOUDY. HIGHS AROUND 56.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 38.    
SATURDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING.  
HIGHS AROUND 56.  
 
 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
AND SNOW SHOWERS. PATCHY FOG. LOWS 29-33.    
THURSDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS  
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
HIGHS 44-45. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS 32-35.    
FRIDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. HIGHS  
47-48.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS 32-35.    
SATURDAY  
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 48-49.  
 
 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 25-27. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS IN THE  
AFTERNOON. HIGHS 42-45. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 30.    
FRIDAY  
PARTLY CLOUDY. HIGHS 46-49.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS AROUND 30.    
SATURDAY  
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 48-52.  
 
 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW  
SHOWERS. LOWS 24-27.    
THURSDAY  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND SNOW  
SHOWERS IN THE AFTERNOON. HIGHS 41-44.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 30.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 45-49.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS AROUND 30.    
SATURDAY  
MOSTLY CLOUDY. HIGHS 46-49.  
 
 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW SHOWERS. LOWS AROUND 30.    
THURSDAY  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND SNOW  
SHOWERS IN THE AFTERNOON. HIGHS 46-48.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS 31-35.    
FRIDAY  
PARTLY CLOUDY. HIGHS 50-52.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 32-35.    
SATURDAY  
MOSTLY CLOUDY. HIGHS 50-53.  
 
 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
SHOWERS. LOWS 33-38.    
THURSDAY  
MOSTLY CLOUDY. HIGHS 48-52.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS 37-43.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 51-55.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS 36-42.    
SATURDAY  
MOSTLY CLOUDY. HIGHS 53-56.  
 
 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY. LOWS 30-32.    
THURSDAY  
MOSTLY CLOUDY. HIGHS 49-52.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS 35-37.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 53-55.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 36-37.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 53-56.  
 
 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 28.    
THURSDAY  
MOSTLY CLOUDY. HIGHS 51-53.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS AROUND 32.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 54-56.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS AROUND 32.    
SATURDAY  
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE  
AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 56-57.  
 
 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 28.    
THURSDAY  
MOSTLY CLOUDY. HIGHS 46-48.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS AROUND 33.    
FRIDAY  
MOSTLY CLOUDY. HIGHS 51-53.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 33.    
SATURDAY  
MOSTLY CLOUDY. HIGHS 53-55.  
 
 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
1237 AM PST THU JAN 29 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY AFTER MIDNIGHT THEN BECOMING  
MOSTLY CLOUDY. LOWS 26-27.    
THURSDAY  
MOSTLY CLOUDY. HIGHS AROUND 45.    
THURSDAY NIGHT  
MOSTLY CLOUDY. LOWS 35-36.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 50.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS 35-36.    
SATURDAY  
MOSTLY CLOUDY. HIGHS 51-52.  
 
 
 
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