SXUS46 KSEW 211006

RECSEW



Mount Rainier Recreational Forecast

National Weather Service Seattle WA

306 AM PDT Mon Sep 21 2026



.SYNOPSIS...

Upper level ridge well to the east with an upper level trough

offshore Monday. Next system spinning out of the trough 

dissipating before it reaches the park Wednesday. Stronger system

arriving Thursday night into Friday morning with snow levels

dropping down to as low as 6000 feet by Friday night. Flat upper

level ridge over the park next weekend.



&&



.IMPACTS...Strong winds near the summit will make it difficult to

move safely and could produce local whiteout conditions Tuesday

through Wednesday. A high level of skill and experience in alpine

terrain, including use of GPS, is recommended for navigation and 

camping in these conditions.



&&



.MONDAY...Mostly sunny. Freezing level near 13000 feet. 

.MONDAY NIGHT...Mostly cloudy. Freezing level near 13000 feet. 

.TUESDAY...Mostly cloudy in the morning then becoming mostly

sunny. Freezing level near 12000 feet. 

.TUESDAY NIGHT...Mostly cloudy. Freezing level near 10500 feet. 

.WEDNESDAY...Mostly sunny. Freezing level near 9000 feet. 



&&



Temperature and wind forecasts for selected locations.



                       Mon    Mon    Tue    Tue    Wed  

                            Night         Night        



Summit   (14411 FT)     21     22     19     18     15

                     SW 25  SW 30  SW 45   W 50  SW 45 



Camp Muir(10188 FT)     40     40     35     32     30

                     SW 20   W 20   W 25   W 30  SW 25 



Paradise  (5420 FT)     65     41     49     36     48

                      W  5   Calm   W  5  NW  5   W  5 



Longmire  (2760 FT)     74     46     60     42     60

                      W  5   Calm   W  5   Calm   W  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...



.WEDNESDAY NIGHT...Mostly cloudy. Freezing level near 10000 feet.

.THURSDAY...Mostly cloudy. A chance of rain and snow in the

afternoon. Snow level near 8500 feet. 

.THURSDAY NIGHT...Rain and snow likely. Snow level near

8000 feet. 

.FRIDAY...Rain and snow likely in the morning, then

mostly cloudy with a chance of rain and snow in the afternoon.

Snow level near 6500 feet. 

.FRIDAY NIGHT...Mostly cloudy. A chance of showers in the

evening, then a slight chance of showers after midnight. Snow

level near 6000 feet. 

.SATURDAY...Partly sunny. Freezing level near 8000 feet. 

.SATURDAY NIGHT...Mostly cloudy. Freezing level near 8000 feet. 

.SUNDAY...Partly sunny. Freezing level near 8000 feet. 



$$



www.weather.gov/seattle