937  
FPUS86 KMFR 290938  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
238 AM PDT FRI MAY 29 2026  
 
 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING. HIGHS AROUND  
56. CHANCE OF RAIN 60 PERCENT.    
TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 41.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 63.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 38.    
SUNDAY  
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND  
68.  
 
 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS 56-57.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 43-44.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 60.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 40.    
SUNDAY  
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS 65-66.  
 
 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS AROUND 64.    
TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 43.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 69.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 40.    
SUNDAY  
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND  
74.  
 
 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY. RAIN IN THE MORNING, THEN CHANCE OF RAIN  
IN THE AFTERNOON. HIGHS 45-46. CHANCE OF RAIN 80 PERCENT.    
TONIGHT  
MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS 33-36.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
52-53.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 31-34.    
SUNDAY  
CLEAR. HIGHS 59-62.  
 
 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY. RAIN IN THE MORNING, THEN CHANCE OF RAIN  
IN THE AFTERNOON. HIGHS 46-47. CHANCE OF RAIN 80 PERCENT.    
TONIGHT  
MOSTLY CLOUDY. LOWS 30-32.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
53-56.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 28-29.    
SUNDAY  
CLEAR. HIGHS 62-64.  
 
 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY. RAIN IN THE MORNING, THEN CHANCE OF RAIN  
IN THE AFTERNOON. HIGHS 43-48. CHANCE OF RAIN 80 PERCENT.    
TONIGHT  
MOSTLY CLOUDY. LOWS 28-32.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
HIGHS 50-56.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 30.    
SUNDAY  
CLEAR. HIGHS 59-64.  
 
 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN CHANCE  
OF RAIN IN THE AFTERNOON. HIGHS AROUND 50. CHANCE OF RAIN  
70 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 34-35.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
55-58.    
SATURDAY NIGHT  
CLEAR. LOWS 31-33.    
SUNDAY  
CLEAR. HIGHS 63-66.  
 
 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN IN THE MORNING,  
THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 52-57.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 42-43.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
54-60.    
SATURDAY NIGHT  
CLEAR. LOWS 37-39.    
SUNDAY  
CLEAR. HIGHS 61-68.  
 
 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY  
CLOUDY. A 40 PERCENT CHANCE OF RAIN. HIGHS AROUND 60.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. A 20 PERCENT CHANCE OF RAIN. LOWS 42-44.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 63-66.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 40.    
SUNDAY  
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 70-73.  
 
 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
MOSTLY CLOUDY UNTIL EARLY AFTERNOON THEN BECOMING PARTLY  
CLOUDY. RAIN LIKELY IN THE MORNING, THEN SLIGHT CHANCE OF RAIN IN  
THE AFTERNOON. HIGHS 56-57. CHANCE OF RAIN 60 PERCENT.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 36.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
62-63.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 33.    
SUNDAY  
CLEAR. HIGHS AROUND 70.  
 
 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
RAIN. HIGHS AROUND 50. CHANCE OF RAIN 80 PERCENT.    
TONIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN IN THE  
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 37.    
SATURDAY  
PARTLY CLOUDY. HIGHS 58-59.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLEAR. LOWS 35-36.    
SUNDAY  
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 63-64.  
 
 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
238 AM PDT FRI MAY 29 2026  
   
TODAY  
RAIN IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.  
HIGHS 45-47. CHANCE OF RAIN 90 PERCENT.    
TONIGHT  
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS AROUND 40.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
53-55.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 39.    
SUNDAY  
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND  
60.  
 
 
 
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