323  
FPUS86 KMFR 201605  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
904 AM PDT SUN MAY 20 2018  
 

 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY. HIGHS AROUND 65.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 45.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS  
AROUND 71.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 48.    
TUESDAY
 
MOSTLY CLEAR. HIGHS AROUND 80.  
 

 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY LATE IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. HIGHS 67-68.    
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 46.    
MONDAY
 
SUNNY. HIGHS 74-75.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 83-84.  
 

 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY LATE IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. HIGHS AROUND 71.    
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 43.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS  
AROUND 78.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 46.    
TUESDAY
 
MOSTLY CLEAR. HIGHS AROUND 85.  
 

 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS 55-57.    
TONIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE EVENING. LOWS 37-38.    
MONDAY
 
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65-67.   
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS 41-42.    
TUESDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.  
HIGHS 72-73.  
 

 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS 51-56.    
TONIGHT
 
PARTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN SHOWERS IN  
THE EVENING. LOWS 33-34.    
MONDAY
 
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60-66.   
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS 36-39.    
TUESDAY
 
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON  
THEN BECOMING MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE EVENING. HIGHS 67-73.  
 

 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS 51-54.    
TONIGHT
 
PARTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN SHOWERS IN  
THE EVENING. LOWS 34-37.    
MONDAY
 
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A CHANCE  
OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 60-63. CHANCE OF PRECIPITATION 30 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS 39-42.    
TUESDAY
 
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON  
THEN BECOMING MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE EVENING. HIGHS 65-68.  
 

 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS 53-55.    
TONIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE EVENING. LOWS 37-38.    
MONDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 62-64.    
MONDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
40-42.    
TUESDAY
 
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A  
20 PERCENT CHANCE OF THUNDERSTORMS IN THE EVENING. HIGHS 67-71.  
 

 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS LATE IN  
THE MORNING. HIGHS 56-64.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 42.    
MONDAY
 
PARTLY CLOUDY. HIGHS 65-72.    
MONDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS AROUND 48.    
TUESDAY
 
PARTLY CLOUDY. HIGHS 72-80.  
 

 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS LATE IN THE  
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
64-66. CHANCE OF PRECIPITATION 40 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS 44-45.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 73-75.    
MONDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 48-49.    
TUESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
A CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON AND EVENING. HIGHS 77-79. CHANCE OF PRECIPITATION  
30 PERCENT.  
 

 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS LATE IN THE  
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
62-65. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS AROUND 38.    
MONDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 70-72.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS AROUND 42.    
TUESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
A CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON AND EVENING. HIGHS 75-77. CHANCE OF PRECIPITATION  
30 PERCENT.  
 

 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
CHANCE OF SHOWERS LATE IN THE MORNING, THEN  
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 56-58. CHANCE OF PRECIPITATION 70 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. LOWS 43-44. CHANCE OF PRECIPITATION 70 PERCENT.    
MONDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 63-64.    
MONDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 47.    
TUESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS 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.  
 

 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
904 AM PDT SUN MAY 20 2018  
   
REST OF TODAY
 
CHANCE OF SHOWERS LATE IN THE MORNING, THEN  
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 53-56. CHANCE OF PRECIPITATION 60 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. LOWS 41-43. CHANCE OF PRECIPITATION 60 PERCENT.    
MONDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND  
60.    
MONDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 47-49.    
TUESDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN CHANCE OF  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND  
EVENING. HIGHS 62-65. CHANCE OF PRECIPITATION 40 PERCENT.  
 

 
 
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