857
SXUS46 KSEW 152244
RECSEW
MOUNT RAINIER RECREATIONAL FORECAST
NATIONAL WEATHER SERVICE SEATTLE WA
344 PM PDT FRI MAY 15 2026
SYNOPSIS
A COLD UPPER LEVEL TROUGH WILL CONTINUE MOVING EAST INTO
WESTERN WASHINGTON THIS AFTERNOON AND REMAIN OVER THE AREA
THROUGH SATURDAY NIGHT. AN UPPER LEVEL RIDGE BUILDS OFFSHORE ON
SUNDAY, WITH WESTERN WASHINGTON REMAINING ON THE BACKSIDE OF
THE RIDGE THROUGH THE MIDDLE OF NEXT WEEK.
IMPACTS
STRONG WINDS FRIDAY NIGHT IN ALPINE REGIONS ON THE
MOUNTAIN, INCLUDING THE MUIR SNOWFIELD, WILL MAKE IT DIFFICULT TO
MOVE SAFELY AND COULD PRODUCE LOCAL WHITEOUT CONDITIONS FRIDAY AND
FRIDAY NIGHT. 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 UNTIL 8 AM PDT SUNDAY
FRIDAY NIGHT
SHOWERS, SNOW SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT.
SNOW MAY BE HEAVY AT TIMES IN THE EVENING. SNOW ACCUMULATION NEAR
PARADISE OF 2 TO 6 INCHES. SNOW LEVEL NEAR 4000 FEET.
SATURDAY
RAIN AND SNOW LIKELY IN THE MORNING, THEN SNOW
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SNOW ACCUMULATION NEAR PARADISE UP TO 2 INCHES. SNOW
LEVEL NEAR 3500 FEET.
SATURDAY NIGHT
MOSTLY CLOUDY WITH RAIN AND SNOW LIKELY IN THE
EVENING, THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION NEAR PARADISE AROUND 2 INCHES.
TOTAL SNOW ACCUMULATION NEAR PARADISE 4 TO 10 INCHES. SNOW LEVEL
NEAR 3500 FEET.
SUNDAY
PARTLY SUNNY. FREEZING LEVEL NEAR 4000 FEET INCREASING
TO 5500 FEET IN THE AFTERNOON.
TEMPERATURE AND WIND FORECASTS FOR SELECTED LOCATIONS.
FRI SAT SAT SUN
NIGHT NIGHT
SUMMIT (14411 FT) -8 -8 -4 2
W 40 NW 25 N 20 NE 25
CAMP MUIR(10188 FT) 10 10 14 20
W 30 NW 25 N 20 NE 10
PARADISE (5420 FT) 27 32 27 40
W 10 W 15 W 5 NW 5
LONGMIRE (2760 FT) 33 42 33 51
W 5 W 5 W 5 NW 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
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. FREEZING LEVEL NEAR 5500 FEET.
MONDAY
PARTLY SUNNY. FREEZING LEVEL NEAR 6000 FEET.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL NEAR 7000 FEET.
TUESDAY
MOSTLY SUNNY. FREEZING LEVEL NEAR 7000 FEET.
TUESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL NEAR 8000 FEET.
WEDNESDAY
MOSTLY SUNNY. FREEZING LEVEL NEAR 8500 FEET.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL NEAR 10000 FEET.
THURSDAY
MOSTLY SUNNY. FREEZING LEVEL NEAR 9500 FEET.
THURSDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL NEAR 9500 FEET.
FRIDAY
MOSTLY SUNNY. FREEZING LEVEL NEAR 10500 FEET.
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