121  
SXUS46 KSEW 171333  
RECSEW  
 
MOUNT RAINIER RECREATIONAL FORECAST  
NATIONAL WEATHER SERVICE SEATTLE WA  
533 AM PST THU JAN 17 2019  
   
SYNOPSIS
 
AN EXTENSIVE AREA OF LOW PRESSURE WILL BRING RAIN,  
MOUNTAIN SNOW, AND WIND TO WESTERN WASHINGTON TODAY AND TONIGHT.  
ANOTHER FAST MOVING SYSTEM WILL BRING ANOTHER QUICK PERIOD OF  
MODERATE RAINFALL FRIDAY NIGHT AND SATURDAY. THE PATTERN WILL THEN  
REMAIN FAIRLY ACTIVE SUNDAY THRU MID NEXT WEEK AS SEVERAL WEAK  
SYSTEMS PASS BY. BY LATE NEXT WEEK, A DRY RIDGE WILL DEVELOP  
ACROSS THE PACIFIC NORTHWEST.  
 

 
   
IMPACTS
 
STORMY WEATHER WILL CREATE DIFFICULT BACKCOUNTRY  
SKIING AND MOUNTAINEERING CONDITIONS ACROSS MUCH OF THE ALPINE  
TERRAIN OF MT. RAINIER, INCLUDING THE MUIR SNOWFIELD. 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.  
 

 
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO  
NOON PST FRIDAY...  
   
THURSDAY
 
RAIN AND SNOW. SNOW ACCUMULATION NEAR PARADISE OF  
2 TO 5 INCHES. SNOW LEVEL NEAR 4000 FEET.    
THURSDAY NIGHT
 
WINDY. RAIN AND SNOW. SNOW ACCUMULATION NEAR  
PARADISE OF 3 TO 8 INCHES. SNOW LEVEL NEAR 4500 FEET.    
FRIDAY
 
WINDY. RAIN AND SNOW LIKELY. SNOW ACCUMULATION NEAR  
PARADISE OF 3 TO 7 INCHES. SNOW LEVEL NEAR 3500 FEET.    
FRIDAY NIGHT
 
WINDY. RAIN AND SNOW. HEAVY SNOW ACCUMULATIONS.  
SNOW LEVEL NEAR 4000 FEET INCREASING TO 7000 FEET AFTER MIDNIGHT.   
SATURDAY
 
WINDY. RAIN AND SNOW LIKELY IN THE MORNING, THEN  
CLOUDY WITH A CHANCE OF SHOWERS IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. SNOW LEVEL NEAR 5500 FEET DECREASING TO 4000 FEET  
IN THE AFTERNOON.  
 

 
 
TEMPERATURE AND WIND FORECASTS FOR SELECTED LOCATIONS.  
 
THU THU FRI FRI SAT  
NIGHT NIGHT  
 
SUMMIT (14411 FT) 0 -2 3 10 1  
S 35 SW 40 W 40 SW 70 SW 95  
 
CAMP MUIR(10188 FT) 17 14 15 25 10  
S 45 SW 45 SW 25 SW 60 SW 60  
 
PARADISE (5420 FT) 33 28 34 30 35  
NW 10 W 30 W 20 W 15 SW 25  
 
LONGMIRE (2760 FT) 42 36 42 38 43  
NE 10 W 5 NW 5 E 5 SW 15  
 
++ 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
 
 
   
SATURDAY NIGHT
 
CLOUDY WITH A CHANCE OF SHOWERS IN THE EVENING,  
THEN SHOWERS LIKELY AFTER MIDNIGHT. SNOW LEVEL NEAR 3500 FEET.    
SUNDAY
 
RAIN AND SNOW. SNOW LEVEL NEAR 3000 FEET.    
SUNDAY NIGHT
 
SHOWERS LIKELY. SNOW LEVEL NEAR 2500 FEET.    
MARTIN LUTHER KING JR DAY
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW  
SHOWERS.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW.  
SNOW LEVEL NEAR 2500 FEET.    
TUESDAY
 
CLOUDY WITH A CHANCE OF RAIN AND SNOW. SNOW LEVEL NEAR  
3000 FEET INCREASING TO 4500 FEET IN THE AFTERNOON.    
TUESDAY NIGHT
 
RAIN AND SNOW LIKELY. SNOW LEVEL NEAR 4000 FEET.   
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. SNOW LEVEL  
NEAR 3000 FEET.  
 

 
 
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