SXUS46 KSEW 221047
RECSEW

Mount Rainier Recreational Forecast
National Weather Service Seattle WA
347 AM PDT Sat Aug 22 2026

.SYNOPSIS...
Weak upper level low off the Central Oregon coast Saturday morning will
continue to weaken and move northeast. The low will be off the 
Washington coast Saturday night and move inland as an upper level
trough Sunday morning. Upper level ridge building in behind 
trough later Sunday will move east Monday. The park will be on 
the backside of the ridge Tuesday. Another upper level trough 
arriving Wednesday or Thursday hanging around into Friday.

&&

.IMPACTS...Strong winds near the summit will make it difficult to
move safely and could produce local whiteout conditions Saturday.
A high level of skill and experience in alpine terrain, including
use of GPS, is recommended for navigation and camping in these 
conditions.

&&

.SATURDAY...Partly sunny. A chance of showers in the morning,
then a slight chance of thunderstorms and showers in the
afternoon. Snow level near 11500 feet. 
.SATURDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers after midnight. Snow level
near 9500 feet. 
.SUNDAY...Partly sunny. A slight chance of showers in the
morning. Snow level near 9500 feet. 
.SUNDAY NIGHT...Mostly clear. Freezing level near 13500 feet. 
.MONDAY...Sunny. Freezing level near 13500 feet. 

&&

Temperature and wind forecasts for selected locations.

                       Sat    Sat    Sun    Sun    Mon  
                            Night         Night        

Summit   (14411 FT)     21     17     22     25     26
                      S 50  SW 35  NW 25   W 15  SW 20 

Camp Muir(10188 FT)     46     35     37     43     44
                      S 20   W 25  NW 20  NW  5   S 10 

Paradise  (5420 FT)     60     43     57     48     72
                     SW 10   W 10   W  5  NW  5   E  5 

Longmire  (2760 FT)     72     49     69     51     83
                     SW  5   W  5   W  5   Calm  SE  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...

.MONDAY NIGHT...Mostly clear. Freezing level near 14000 feet. 
.TUESDAY...Sunny. Freezing level near 13500 feet. 
.TUESDAY NIGHT...Partly cloudy. Freezing level near 13500 feet. 
.WEDNESDAY...Partly sunny. Freezing level near 11000 feet.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers in the
evening, then partly cloudy after midnight. Snow level near
8500 feet. 
.THURSDAY...Partly sunny with a slight chance of showers. Snow 
level near 8000 feet. 
.THURSDAY NIGHT...Partly cloudy. Freezing level near 12000 feet. 
.FRIDAY...Sunny. Freezing level near 12000 feet. 

$$

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