175
SXUS46 KSEW 271002
RECSEW
MOUNT RAINIER RECREATIONAL FORECAST
NATIONAL WEATHER SERVICE SEATTLE WA
302 AM PDT THU AUG 27 2026
SYNOPSIS
THE PARK WILL REMAIN IN THE UPPER LEVEL TROUGH POSITION THROUGH
SATURDAY. A PAIR OF WEAK SYSTEMS EMBEDDED IN THE TROUGH MOVING
THROUGH TODAY AND TOMORROW. UPPER LEVEL LOW DEVELOPING IN THE
TROUGH NORTH OF THE PARK FRIDAY NIGHT INTO SATURDAY. UPPER LEVEL
LOW DISSIPATING SATURDAY NIGHT WITH THE TROUGH MOVING EAST.
TEMPORARY UPPER LEVEL RIDGE SUNDAY. DISSIPATING FRONT ONLY REACHING
THE COAST LATE MONDAY WITH A WEAK WARM FRONT BRUSHING THE PARK
TUESDAY. A MUCH STRONGER FRONT ARRIVING WEDNESDAY. THIS COULD BE
THE STRONGEST SYSTEM TO IMPACT THE PARK SINCE SPRING.
IMPACTS
STRONG WINDS NEAR THE SUMMIT WILL MAKE IT DIFFICULT TO
MOVE SAFELY AND COULD PRODUCE LOCAL WHITEOUT CONDITIONS THURSDAY,
THURSDAY NIGHT AND AGAIN 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.
THURSDAY
MOSTLY SUNNY BECOMING MOSTLY CLOUDY IN THE MORNING.
FREEZING LEVEL NEAR 12000 FEET.
THURSDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING. SNOW LEVEL NEAR 8500 FEET.
FRIDAY
PARTLY SUNNY. FREEZING LEVEL NEAR 11000 FEET.
FRIDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. SNOW LEVEL NEAR 7500 FEET.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON. SNOW LEVEL
NEAR 6500 FEET.
TEMPERATURE AND WIND FORECASTS FOR SELECTED LOCATIONS.
THU THU FRI FRI SAT
NIGHT NIGHT
SUMMIT (14411 FT) 20 22 20 18 6
SW 55 SW 45 W 30 SW 45 W 25
CAMP MUIR(10188 FT) 35 36 33 30 23
SW 25 W 25 W 15 W 25 W 25
PARADISE (5420 FT) 56 40 53 39 46
SW 10 W 5 SW 5 W 10 W 10
LONGMIRE (2760 FT) 65 46 64 43 56
SW 5 W 5 W 5 W 5 W 10
++ 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
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. SNOW LEVEL
NEAR 7500 FEET.
SUNDAY
MOSTLY SUNNY. FREEZING LEVEL NEAR 10500 FEET.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. FREEZING LEVEL NEAR 11500 FEET.
MONDAY
MOSTLY SUNNY. FREEZING LEVEL NEAR 11500 FEET.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. SNOW
LEVEL NEAR 9000 FEET.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. SNOW
LEVEL NEAR 8000 FEET.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW.
SNOW LEVEL NEAR 8000 FEET.
WEDNESDAY
CLOUDY WITH A CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. SNOW
LEVEL NEAR 8000 FEET.
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