496
SXUS46 KSEW 201005
RECSEW
MOUNT RAINIER RECREATIONAL FORECAST
NATIONAL WEATHER SERVICE SEATTLE WA
305 AM PDT SUN SEP 20 2026
SYNOPSIS
HIGH PRESSURE ALOFT THROUGH SUNDAY NIGHT. RIDGE WEAKENING MONDAY
AS A WEAK SYSTEM MOVES BY TO THE NORTH. ANOTHER WEAK SYSTEM WILL
MOVE BY TO THE NORTH OF THE PARK WEDNESDAY. UPPER LEVEL TROUGH
DEVELOPING OFFSHORE WEDNESDAY NIGHT AND THURSDAY WITH A MORE
ORGANIZED SYSTEM ARRIVING THURSDAY NIGHT OR FRIDAY.
IMPACTS
STRONG WINDS NEAR THE SUMMIT WILL MAKE IT DIFFICULT TO
MOVE SAFELY AND COULD PRODUCE LOCAL WHITEOUT CONDITIONS TUESDAY.
A HIGH LEVEL OF SKILL AND EXPERIENCE IN ALPINE TERRAIN, INCLUDING
USE OF GPS, IS RECOMMENDED FOR NAVIGATION AND CAMPING IN THESE
CONDITIONS.
SUNDAY
SUNNY. FREEZING LEVEL NEAR 13500 FEET.
SUNDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL NEAR 13500 FEET.
MONDAY
MOSTLY SUNNY. FREEZING LEVEL NEAR 13000 FEET.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL NEAR 13000 FEET.
TUESDAY
PARTLY SUNNY. FREEZING LEVEL NEAR 12500 FEET.
TEMPERATURE AND WIND FORECASTS FOR SELECTED LOCATIONS.
SUN SUN MON MON TUE
NIGHT NIGHT
SUMMIT (14411 FT) 23 23 22 21 17
SW 15 SW 25 SW 30 SW 35 SW 50
CAMP MUIR(10188 FT) 46 40 43 38 36
S 10 SW 15 SW 20 W 25 W 25
PARADISE (5420 FT) 64 51 60 43 48
CALM NW 5 SW 5 CALM W 5
LONGMIRE (2760 FT) 76 53 71 47 60
CALM 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
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. FREEZING LEVEL NEAR 10500 FEET.
WEDNESDAY
PARTLY SUNNY. FREEZING LEVEL NEAR 9000 FEET.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. FREEZING LEVEL NEAR 9500 FEET.
THURSDAY
MOSTLY CLOUDY. FREEZING LEVEL NEAR 11000 FEET.
THURSDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. SNOW LEVEL
NEAR 8500 FEET.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. SNOW LEVEL NEAR
7500 FEET.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. SNOW
LEVEL NEAR 6500 FEET.
SATURDAY
PARTLY SUNNY. FREEZING LEVEL NEAR 6000 FEET.
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