380  
FPUS86 KMFR 302139  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
239 PM PDT THU APR 30 2026  
 

 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 46.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS AROUND 70.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 46. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 48.    
SUNDAY
 
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT  
CHANCE OF RAIN IN THE AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. HIGHS  
AROUND 81. CHANCE OF PRECIPITATION 50 PERCENT.  
 

 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS  
AROUND 47.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS AROUND 66.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS  
46-47. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 66. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 51.    
SUNDAY
 
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON THEN  
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
EVENING. HIGHS 74-75. CHANCE OF PRECIPITATION 40 PERCENT.  
 

 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 47.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS AROUND 76.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT. LOWS AROUND 48. CHANCE OF PRECIPITATION  
30 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 74. CHANCE  
OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS AROUND 49.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN SLIGHT CHANCE OF  
RAIN IN THE AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. HIGHS AROUND 82.  
CHANCE OF PRECIPITATION 50 PERCENT.  
 

 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS 40-43.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 66.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS  
AFTER MIDNIGHT. LOWS 43-46. CHANCE OF PRECIPITATION 40 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 63-64. CHANCE OF PRECIPITATION  
60 PERCENT.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
43-46.    
SUNDAY
 
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A CHANCE  
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON  
AND EVENING. HIGHS 68-69. CHANCE OF PRECIPITATION 30 PERCENT.  
 

 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR UNTIL WELL AFTER MIDNIGHT THEN BECOMING  
PARTLY CLOUDY. LOWS 37-39.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 64-66.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS AROUND 40. CHANCE OF PRECIPITATION  
40 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 62-64. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS 40-42. CHANCE OF PRECIPITATION 40 PERCENT.    
SUNDAY
 
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A CHANCE  
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. HIGHS AROUND 70. CHANCE OF  
PRECIPITATION 60 PERCENT.  
 

 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS 36-39.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 61-66.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS 38-42. CHANCE OF PRECIPITATION  
30 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 59-64. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 39-43. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. HIGHS 64-69. CHANCE OF  
PRECIPITATION 60 PERCENT.  
 

 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 66-68.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT. LOWS 42-43. CHANCE OF PRECIPITATION  
40 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 64-66. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS 42-44. CHANCE OF PRECIPITATION 30 PERCENT.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. HIGHS AROUND 70. CHANCE OF  
PRECIPITATION 70 PERCENT.  
 

 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR UNTIL WELL AFTER MIDNIGHT THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 50.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. HIGHS 68-73.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS  
AROUND 50. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
65-71.    
SATURDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. HIGHS 69-74. CHANCE OF  
PRECIPITATION 60 PERCENT.  
 

 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS 45-47.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 71-75.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 47-48.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A 20 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 70.   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS 47-48.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE EVENING. HIGHS 68-72. CHANCE OF PRECIPITATION 60 PERCENT.  
 

 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS 41-42.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. HIGHS 72-74.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 43.    
SATURDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS AROUND 70.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 43.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE EVENING. HIGHS 71-73. CHANCE OF PRECIPITATION 60 PERCENT.  
 

 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
PARTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS  
AROUND 39.    
FRIDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS  
66-67.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 45-46.    
SATURDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS 66-67.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS  
IN THE EVENING. LOWS AROUND 45.    
SUNDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON AND EVENING. HIGHS 67-68.  
 

 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
239 PM PDT THU APR 30 2026  
   
TONIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
AROUND 40.    
FRIDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS  
61-63.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 46.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 62-64.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS  
IN THE EVENING. LOWS AROUND 45.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. SHOWERS LIKELY AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING. HIGHS 62-64. CHANCE OF  
PRECIPITATION 70 PERCENT.  
 

 
 
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