351  
SXUS46 KSEW 131302  
RECSEW  
 
MOUNT RAINIER RECREATIONAL FORECAST  
NATIONAL WEATHER SERVICE SEATTLE WA  
602 AM PDT TUE APR 13 2021  
   
SYNOPSIS
 
UPPER LEVEL RIDGING WILL CONTINUE TO BUILD INTO  
BRITISH COLOMBIA TUESDAY AND WEDNESDAY, WHILE AN UPPER LEVEL LOW  
SINKS SOUTHWARD OVER THE GREAT BASIN. HIGH PRESSURE ALOFT WILL  
INFLUENCE THE AREA THROUGH THE REMAINDER OF THE WEEK, FOR  
CONTINUED DRY WEATHER AND A GRADUAL WARMING TREND. STRONG WINDS AT  
ELEVATED AREAS IN THE PARK WILL PERSIST TUESDAY AND WEDNESDAY.  
 

 
   
IMPACTS
 
STRONG WINDS NEAR THE SUMMIT TUESDAY AND WEDNESDAY  
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.  
 

 
   
TUESDAY
 
VERY WINDY. SUNNY. FREEZING LEVEL NEAR 4000 FEET  
INCREASING TO 5500 FEET IN THE AFTERNOON.    
TUESDAY NIGHT
 
VERY WINDY. CLEAR. FREEZING LEVEL NEAR  
5500 FEET.    
WEDNESDAY
 
VERY WINDY. SUNNY. FREEZING LEVEL NEAR 5500 FEET  
INCREASING TO 7000 FEET IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WINDY, CLEAR. FREEZING LEVEL NEAR 7500 FEET.    
THURSDAY
 
WINDY, SUNNY. FREEZING LEVEL NEAR 7500 FEET.  
 

 
 
TEMPERATURE AND WIND FORECASTS FOR SELECTED LOCATIONS.  
 
TUE TUE WED WED THU  
NIGHT NIGHT  
 
SUMMIT (14411 FT) -4 4 9 9 11  
NE 45 NE 45 NE 45 NE 35 E 25  
 
CAMP MUIR(10188 FT) 8 16 21 23 25  
NE 30 NE 35 NE 25 NE 20 E 15  
 
PARADISE (5420 FT) 37 26 46 31 49  
NE 30 NE 35 NE 30 NE 30 NE 20  
 
LONGMIRE (2760 FT) 48 35 55 39 59  
NE 20 E 10 W 5 NE 10 E 10  
 
++ 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
 
 
   
THURSDAY NIGHT
 
CLEAR. FREEZING LEVEL NEAR 8500 FEET.    
FRIDAY
 
SUNNY. FREEZING LEVEL NEAR 8500 FEET.    
FRIDAY NIGHT
 
CLEAR. FREEZING LEVEL NEAR 10000 FEET.    
SATURDAY
 
SUNNY. FREEZING LEVEL NEAR 10000 FEET.    
SATURDAY NIGHT
 
MOSTLY CLEAR. FREEZING LEVEL NEAR 10500 FEET.    
SUNDAY
 
SUNNY. FREEZING LEVEL NEAR 10500 FEET.    
SUNDAY NIGHT
 
MOSTLY CLEAR. FREEZING LEVEL NEAR 10000 FEET.    
MONDAY
 
SUNNY. FREEZING LEVEL NEAR 9500 FEET.  
 

 
 
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