707  
SXUS46 KSEW 202230  
RECSEW  
 
MOUNT RAINIER RECREATIONAL FORECAST  
NATIONAL WEATHER SERVICE SEATTLE WA  
330 PM PDT FRI APR 20 2018  
   
SYNOPSIS
 
A WARM FRONT WILL BRUSH THE AREA FRIDAY EVENING. A  
TRAILING COLD FRONT WILL MOVE THROUGH LATE FRIDAY NIGHT WITH  
DECREASING SHOWERS BEHIND THE FRONT SATURDAY. A DRY UPPER TROUGH  
WILL CROSS THE AREA SUNDAY. AN UPPER LEVEL RIDGE WILL BUILD IN  
SUNDAY NIGHT AND REMAIN OVER WESTERN WASHINGTON THROUGH MOST OF  
NEXT WEEK FOR AN EXTENDED DRY AND WARM SPELL.  
 

 
   
IMPACTS
 
STORMY WEATHER WILL CREATE DIFFICULT BACKCOUNTRY  
SKIING AND MOUNTAINEERING CONDITIONS ACROSS MUCH OF THE ALPINE  
TERRAIN OF MT. RAINIER, INCLUDING THE MUIR SNOWFIELD FRIDAY NIGHT  
AND SATURDAY. BLIZZARD-LIKE CONDITIONS WITH STRONG WINDS AND NEAR  
ZERO VISIBILITY ARE LIKELY. A HIGH LEVEL OF SKILL AND EXPERIENCE  
IN ALPINE TERRAIN, INCLUDING USE OF GPS, IS RECOMMENDED FOR  
NAVIGATION AND CAMPING IN THESE CONDITIONS.  
 

 
   
FRIDAY NIGHT
 
BREEZY. CLOUDY WITH A SLIGHT CHANCE OF RAIN AND  
SNOW IN THE EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT. SNOW  
ACCUMULATION NEAR PARADISE UP TO 3 INCHES. SNOW LEVEL NEAR  
5500 FEET DECREASING TO 4500 FEET AFTER MIDNIGHT.    
SATURDAY
 
BREEZY. SHOWERS IN THE MORNING, THEN PARTLY SUNNY  
WITH A CHANCE OF SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION NEAR  
PARADISE AROUND 1 INCH. TOTAL SNOW ACCUMULATION NEAR PARADISE  
1 TO 4 INCHES. SNOW LEVEL NEAR 3000 FEET.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. SNOW LEVEL NEAR 3500 FEET.    
SUNDAY
 
MOSTLY SUNNY. FREEZING LEVEL NEAR 3500 FEET INCREASING  
TO 5000 FEET IN THE AFTERNOON.  
 

 
 
TEMPERATURE AND WIND FORECASTS FOR SELECTED LOCATIONS.  
 
FRI SAT SAT SUN  
NIGHT NIGHT  
 
SUMMIT (14411 FT) 5 8 4 1  
SW 65 W 55 SW 25 NW 15  
 
CAMP MUIR(10188 FT) 18 11 17 16  
SW 50 W 40 W 10 N 5  
 
PARADISE (5420 FT) 27 35 24 44  
W 15 W 15 W 5 NE 5  
 
LONGMIRE (2760 FT) 35 44 29 53  
CALM W 5 CALM CALM  
 
++ 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
 
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. FREEZING LEVEL NEAR 5500 FEET.    
MONDAY
 
SUNNY. FREEZING LEVEL NEAR 6000 FEET.    
MONDAY NIGHT
 
MOSTLY CLEAR. FREEZING LEVEL NEAR 7000 FEET.    
TUESDAY
 
MOSTLY SUNNY. FREEZING LEVEL NEAR 7000 FEET.    
TUESDAY NIGHT
 
PARTLY CLOUDY. FREEZING LEVEL NEAR 8500 FEET.    
WEDNESDAY
 
SUNNY. FREEZING LEVEL NEAR 8000 FEET.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. FREEZING LEVEL NEAR 9000 FEET.    
THURSDAY
 
MOSTLY SUNNY. FREEZING LEVEL NEAR 9000 FEET.    
THURSDAY NIGHT
 
PARTLY CLOUDY. FREEZING LEVEL NEAR 10000 FEET.    
FRIDAY
 
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. SNOW  
LEVEL NEAR 8500 FEET.  
 

 
 
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