245
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.
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