759  
FPUS86 KMFR 282001  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
101 PM PDT THU MAY 28 2026  
 

 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS, SMALL HAIL, AND HEAVY RAINFALL. HIGHS AROUND 71. CHANCE OF  
PRECIPITATION 60 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING, THEN  
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 46. CHANCE OF  
SHOWERS 60 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY IN THE MORNING, THEN  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 60.  
CHANCE OF SHOWERS 60 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
EVENING. LOWS AROUND 40.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 63.  
 

 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS, SMALL HAIL, AND HEAVY RAINFALL. HIGHS AROUND 70. CHANCE OF  
PRECIPITATION 70 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING, THEN  
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 48. CHANCE OF  
SHOWERS 60 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS IN  
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 57-58.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 43.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 60.  
 

 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS, SMALL HAIL, AND HEAVY RAINFALL. HIGHS AROUND 70. CHANCE OF  
PRECIPITATION 70 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS.  
LOWS AROUND 48.    
FRIDAY
 
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS IN THE  
MORNING. HIGHS AROUND 68.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 43.    
SATURDAY
 
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON  
THEN BECOMING CLEAR. HIGHS AROUND 68.  
 

 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
SHOWERS AND CHANCE OF THUNDERSTORMS. SOME  
THUNDERSTORMS MAY BE SEVERE WITH GUSTY WINDS, SMALL HAIL, AND  
HEAVY RAINFALL. HIGHS 59-63. CHANCE OF PRECIPITATION 80 PERCENT.    
TONIGHT
 
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY  
BE SEVERE WITH HEAVY RAINFALL. LOWS AROUND 40. CHANCE OF  
PRECIPITATION 80 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY. HIGHS 46-47.  
CHANCE OF SHOWERS 60 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. LOWS 33-36.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLEAR. HIGHS 51-52.  
 

 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
SHOWERS AND CHANCE OF THUNDERSTORMS. SOME  
THUNDERSTORMS MAY BE SEVERE WITH GUSTY WINDS, SMALL HAIL, AND  
HEAVY RAINFALL. HIGHS 55-59. CHANCE OF PRECIPITATION 90 PERCENT.    
TONIGHT
 
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY  
BE SEVERE WITH HEAVY RAINFALL. LOWS 34-36. CHANCE OF  
PRECIPITATION 80 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING, THEN  
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS 46-48. CHANCE OF  
SHOWERS 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30-32.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLEAR. HIGHS 52-55.  
 

 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS. SOME  
THUNDERSTORMS MAY BE SEVERE WITH GUSTY WINDS, SMALL HAIL, AND  
HEAVY RAINFALL. HIGHS 53-57. CHANCE OF PRECIPITATION 90 PERCENT.    
TONIGHT
 
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY  
BE SEVERE WITH GUSTY WINDS, SMALL HAIL, AND HEAVY RAINFALL. LOWS  
32-36. CHANCE OF PRECIPITATION 80 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING, THEN  
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS 43-49. CHANCE OF  
SHOWERS 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 30.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLEAR. HIGHS 50-55.  
 

 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
SHOWERS AND CHANCE OF THUNDERSTORMS. SOME  
THUNDERSTORMS MAY BE SEVERE WITH GUSTY WINDS, SMALL HAIL, AND  
HEAVY RAINFALL. HIGHS 56-58. CHANCE OF PRECIPITATION 80 PERCENT.    
TONIGHT
 
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS, SMALL HAIL, AND HEAVY  
RAINFALL IN THE EVENING. LOWS 37-38. CHANCE OF PRECIPITATION  
90 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING, THEN  
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS 49-52. CHANCE OF  
SHOWERS 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 34-35.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
54-57.  
 

 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH SHOWERS AND CHANCE OF  
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS, SMALL  
HAIL, AND HEAVY RAINFALL. HIGHS 56-60. CHANCE OF PRECIPITATION  
90 PERCENT.    
TONIGHT
 
CLOUDY. SHOWERS AND CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN CHANCE OF SHOWERS AFTER MIDNIGHT. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS, SMALL HAIL, AND HEAVY  
RAINFALL IN THE EVENING. LOWS 42-46. CHANCE OF PRECIPITATION  
90 PERCENT.    
FRIDAY
 
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 51-57.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 42-43.    
SATURDAY
 
MOSTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON  
THEN BECOMING CLEAR. HIGHS 54-60.  
 

 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH SHOWERS AND CHANCE OF  
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS, SMALL  
HAIL, AND HEAVY RAINFALL. HIGHS 61-65. CHANCE OF PRECIPITATION  
80 PERCENT.    
TONIGHT
 
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE EVENING,  
THEN SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS, SMALL HAIL, AND HEAVY RAINFALL IN THE EVENING. LOWS 44-46.  
CHANCE OF PRECIPITATION 90 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS.  
HIGHS 58-62.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
SHOWERS. LOWS 41-43.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A 20 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. MOSTLY CLEAR IN  
THE EVENING. HIGHS 62-66.  
 

 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH SHOWERS AND CHANCE OF  
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS, SMALL  
HAIL, AND HEAVY RAINFALL. HIGHS 61-62. CHANCE OF PRECIPITATION  
80 PERCENT.    
TONIGHT
 
CLOUDY. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN  
THE EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS, SMALL HAIL, AND HEAVY RAINFALL IN THE  
EVENING. LOWS AROUND 39. CHANCE OF PRECIPITATION 90 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING, THEN  
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS 57-59.  
CHANCE OF SHOWERS 60 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS 35-36.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
61-63.  
 

 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
101 PM PDT THU MAY 28 2026  
 
...SEVERE THUNDERSTORM WATCH 248 IN EFFECT UNTIL 8 PM PDT THIS  
EVENING...  
   
REST OF TODAY
 
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS, SMALL HAIL, AND HEAVY  
RAINFALL. HIGHS 56-58. CHANCE OF PRECIPITATION 60 PERCENT.    
TONIGHT
 
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS, SMALL HAIL, AND HEAVY  
RAINFALL IN THE EVENING. LOWS AROUND 40. CHANCE OF PRECIPITATION  
80 PERCENT.    
FRIDAY
 
RAIN SHOWERS. HIGHS 51-52. CHANCE OF SHOWERS  
80 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. LOWS 36-37.    
SATURDAY
 
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON  
THEN BECOMING PARTLY CLOUDY. HIGHS 58-59.  
 

 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
101 PM PDT THU MAY 28 2026  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND  
CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS, SMALL HAIL, AND HEAVY RAINFALL. HIGHS 52-55. CHANCE OF  
PRECIPITATION 60 PERCENT.    
TONIGHT
 
CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS, SMALL HAIL, AND HEAVY  
RAINFALL IN THE EVENING. LOWS 40-42. CHANCE OF PRECIPITATION  
80 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. RAIN SHOWERS IN THE MORNING, THEN RAIN  
SHOWERS LIKELY IN THE AFTERNOON. HIGHS 45-47. CHANCE OF SHOWERS  
80 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 40.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
53-55.  
 

 
 
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