863  
SXUS46 KSEW 312153  
RECSEW  
 
MOUNT RAINIER RECREATIONAL FORECAST  
NATIONAL WEATHER SERVICE SEATTLE WA  
253 PM PDT SUN AUG 31 2025  
   
SYNOPSIS
 
AN UPPER LEVEL LOW OFF THE COAST WILL KEEP TEMPERATURES  
SEASONABLE AT MOUNT RAINIER NATIONAL PARK. UPPER LEVEL RIDGING  
RETURNS TUESDAY, BRINGING ANOTHER ROUND OF HOT AND DRY CONDITIONS  
AT THE PARK THROUGH WEDNESDAY. TEMPERATURES LOOK TO COOL DOWN  
AFTERWARDS NEAR SEASONAL NORMALS.  
 

 
   
IMPACTS
 
STRONG WINDS NEAR THE SUMMIT TONIGHT WILL MAKE IT  
DIFFICULT TO MOVE SAFELY AND COULD PRODUCE LOCAL WHITEOUT  
CONDITIONS. A HIGH LEVEL OF SKILL AND EXPERIENCE IN ALPINE  
TERRAIN, INCLUDING USE OF GPS, IS RECOMMENDED FOR NAVIGATION AND  
CAMPING IN THESE CONDITIONS.  
 

 
   
SUNDAY NIGHT
 
PARTLY CLOUDY. HAZE. AREAS OF SMOKE AFTER  
MIDNIGHT. FREEZING LEVEL NEAR 13500 FEET.    
LABOR DAY
 
MOSTLY SUNNY. FREEZING LEVEL NEAR 14000 FEET.    
MONDAY NIGHT
 
PARTLY CLOUDY. FREEZING LEVEL NEAR 14000 FEET.    
TUESDAY
 
SUNNY. FREEZING LEVEL NEAR 15000 FEET.  
 

 
 
TEMPERATURE AND WIND FORECASTS FOR SELECTED LOCATIONS.  
 
SUN MON MON TUE  
NIGHT NIGHT  
 
SUMMIT (14411 FT) 23 24 26 28  
S 45 S 30 S 35 S 25  
 
CAMP MUIR(10188 FT) 45 46 49 50  
S 15 SE 20 S 15 S 15  
 
PARADISE (5420 FT) 53 68 57 75  
CALM NW 5 NE 5 SE 5  
 
LONGMIRE (2760 FT) 56 74 60 84  
CALM SW 5 CALM S 5  
 
++ TEMPERATURES AND WIND FOR THE SUMMIT AND CAMP MUIR ARE AVERAGE  
CONDITIONS EXPECTED IN THE FREE AIR AT THOSE ELEVATIONS.  
++ TEMPERATURES FOR PARADISE AND LONGMIRE ARE THE EXPECTED HIGHS AND  
LOWS. WIND IS THE AVERAGE WIND EXPECTED DURING THAT PERIOD.  
   
EXTENDED FORECAST
 
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. FREEZING LEVEL NEAR 15000 FEET.    
WEDNESDAY
 
MOSTLY SUNNY. FREEZING LEVEL NEAR 14500 FEET.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. FREEZING LEVEL NEAR 15000 FEET.   
THURSDAY
 
MOSTLY SUNNY. FREEZING LEVEL NEAR 14500 FEET.    
THURSDAY NIGHT
 
PARTLY CLOUDY. FREEZING LEVEL NEAR 14500 FEET.    
FRIDAY
 
PARTLY SUNNY. FREEZING LEVEL NEAR 14000 FEET.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. FREEZING LEVEL NEAR 14000 FEET.    
SATURDAY
 
PARTLY SUNNY. FREEZING LEVEL NEAR 14000 FEET.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND SNOW  
IN THE EVENING. SNOW LEVEL NEAR 11000 FEET.    
SUNDAY
 
PARTLY SUNNY. FREEZING LEVEL NEAR 13000 FEET.  
 

 
 
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