947
SXUS46 KSEW 121105
RECSEW
MOUNT RAINIER RECREATIONAL FORECAST
NATIONAL WEATHER SERVICE SEATTLE WA
405 AM PDT THU MAR 12 2026
SYNOPSIS
COLD FRONT EAST OF THE PARK EARLY THURSDAY MORNING. ATMOSPHERIC
RIVER TO THE SOUTH LIFTING NORTH OVER THE PARK THURSDAY AFTERNOON
THIS AFTERNOON WITH THE RIVER REMAINING OVER THE PARK FRIDAY.
HEAVY SNOW FORECAST THIS AFTERNOON THROUGH FRIDAY. UPPER LEVEL
RIDGE BUILDING OFFSHORE WILL PINCH OFF THE RIVER AND PUSH IT SOUTH
FRIDAY NIGHT. WEAK UPPER LEVEL TROUGH SATURDAY KEEPING SHOWERS IN
THE FORECAST. WARM FRONT MOVING OVER THE TOP OF THE RIDGE
BRUSHING WESTERN WASHINGTON SUNDAY. ATMOSPHERIC RIVER AIMED AT
SOUTHERN BRITISH COLUMBIA THE FIRST PART OF NEXT WEEK WITH THE
SOUTHERN PORTION OF THE RIVER OVER THE PARK. WARMING TREND
BEGINNING MONDAY INTO THE MIDDLE OF NEXT WEEK.
IMPACTS
STORMY WEATHER WILL CREATE DIFFICULT BACKCOUNTRY
SKIING AND MOUNTAINEERING CONDITIONS ACROSS MUCH OF THE ALPINE
TERRAIN OF MT. RAINIER, INCLUDING THE MUIR SNOWFIELD. BLIZZARD-
LIKE CONDITIONS WITH STRONG WINDS AND NEAR ZERO VISIBILITY ARE
LIKELY THURSDAY THROUGH SATURDAY. A HIGH LEVEL OF SKILL AND
EXPERIENCE IN ALPINE TERRAIN, INCLUDING USE OF GPS, IS RECOMMENDED
FOR NAVIGATION AND CAMPING IN THESE CONDITIONS.
..WINTER STORM WARNING IN EFFECT UNTIL 5 AM PDT SATURDAY
THURSDAY
WINDY. SHOWERS IN THE MORNING, THEN RAIN AND SNOW IN
THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES. SNOW ACCUMULATION NEAR
PARADISE OF 6 TO 12 INCHES. SNOW LEVEL NEAR 2500 FEET.
THURSDAY NIGHT
RAIN AND SNOW. SNOW MAY BE HEAVY AT TIMES. SNOW
ACCUMULATION NEAR PARADISE OF 9 TO 18 INCHES. SNOW LEVEL NEAR
3000 FEET.
FRIDAY
RAIN AND SNOW. SNOW MAY BE HEAVY AT TIMES. SNOW
ACCUMULATION NEAR PARADISE OF 9 TO 18 INCHES. SNOW LEVEL NEAR
3500 FEET.
FRIDAY NIGHT
RAIN AND SNOW. SNOW MAY BE HEAVY AT TIMES IN THE
EVENING. HEAVY SNOW ACCUMULATIONS. SNOW LEVEL NEAR 3000 FEET
DECREASING TO 2000 FEET AFTER MIDNIGHT.
SATURDAY
SNOW SHOWERS IN THE MORNING, THEN SNOW SHOWERS LIKELY
IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS.
TEMPERATURE AND WIND FORECASTS FOR SELECTED LOCATIONS.
THU THU FRI FRI SAT
NIGHT NIGHT
SUMMIT (14411 FT) 8 9 9 4 -5
W 135 W 120 W 105 W 95 NW 95
CAMP MUIR(10188 FT) 12 18 19 14 2
W 75 W 75 W 60 W 55 NW 40
PARADISE (5420 FT) 28 25 30 18 26
W 20 W 10 W 10 W 10 W 15
LONGMIRE (2760 FT) 34 31 36 24 34
W 10 W 5 W 5 W 5 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
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING, THEN A SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
SUNDAY
SNOW LIKELY IN THE MORNING, THEN RAIN AND SNOW IN THE
AFTERNOON. SNOW LEVEL NEAR 3000 FEET IN THE AFTERNOON.
SUNDAY NIGHT
RAIN AND SNOW IN THE EVENING, THEN RAIN AND SNOW
LIKELY AFTER MIDNIGHT. SNOW LEVEL NEAR 5000 FEET INCREASING TO
7500 FEET AFTER MIDNIGHT.
MONDAY
RAIN AND SNOW IN THE MORNING, THEN RAIN AND SNOW LIKELY
IN THE AFTERNOON. SNOW LEVEL NEAR 8000 FEET.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW.
SNOW LEVEL NEAR 7000 FEET.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. SNOW
LEVEL NEAR 7000 FEET.
TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW IN THE
EVENING, THEN RAIN AND SNOW LIKELY AFTER MIDNIGHT. SNOW LEVEL
NEAR 7500 FEET.
WEDNESDAY
RAIN AND SNOW LIKELY IN THE MORNING, THEN RAIN AND
SNOW IN THE AFTERNOON. SNOW LEVEL NEAR 8000 FEET.
WWW.WEATHER.GOV/SEATTLE
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