363
WWUS46 KPQR 120101
WSWPQR
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
601 PM PDT WED MAR 11 2026
WAZ211-121315-
/O.CON.KPQR.WS.W.0002.000000T0000Z-260313T1200Z/
SOUTH WASHINGTON CASCADES-
INCLUDING THE CITIES OF MT. ST. HELENS, LARCH MOUNTAIN, AND
INDIAN HEAVEN WILDERNESS
601 PM PDT WED MAR 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY
* WHAT...HEAVY SNOW EXPECTED ABOVE 2500 FT. TOTAL SNOW ACCUMULATIONS
OF 15 TO 25 INCHES WITH UP TO 30 INCHES ALONG THE VOLCANOS. WINDS
GUSTING AS HIGH AS 35 MPH, EXCEPT UP TO 45 MPH ALONG THE PEAKS.
* WHERE...SOUTH WASHINGTON CASCADES.
* WHEN...UNTIL 5 AM PDT FRIDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
* ADDITIONAL DETAILS...THERE WILL BE A BRIEF LULL IN SNOWFALL LATE
TODAY, BUT WILL INCREASE AGAIN WITH HEAVIER PRECIPITATION.
HEAVIEST SNOWFALL EXPECTED BETWEEN 5AM-5PM TODAY, AND 5AM-5PM
THURSDAY. SNOW LEVELS WILL BEGIN TO RISE ABOVE 5000 FT LATE
THURSDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CONSIDER POSTPONING TRAVEL UNTIL WEATHER CONDITIONS IMPROVE. IF YOU
MUST TRAVEL, BE SURE TO SLOW DOWN AND ALLOW EXTRA TIME.
IF YOUR CAR BECOMES TRAPPED IN DEEP SNOW, BE SURE TO KEEP YOUR CAR
OFF TO STAY SAFE FROM POTENTIAL CARBON MONOXIDE POISONING.
HAVE A WINTER EMERGENCY DRIVING KIT READILY AVAILABLE. COMMON ITEMS
TO INCLUDE: FLASHLIGHT, BATTERIES, BLANKETS, A SHOVEL, WATER,
NON-PERISHABLE FOOD ITEMS, TIRE CHAINS, ETC.
FOR THE LATEST ROAD CONDITIONS AND CHAIN RESTRICTIONS IN WASHINGTON,
VISIT: WSDOT.COM/TRAVEL/REAL-TIME/MAP
BACKCOUNTRY RECREATION IS NOT ADVISED.
ORZ126-121315-
/O.NEW.KPQR.WW.Y.0006.260312T0101Z-260313T0600Z/
NORTH OREGON CASCADES-
INCLUDING THE CITIES OF TIMOTHY LAKE, LOST LAKE, GOVERNMENT CAMP,
AND BENNETT PASS
601 PM PDT WED MAR 11 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM PDT THURSDAY
* WHAT...WET SNOW ACCUMULATIONS WILL BE HEAVILY ELEVATION DEPENDENT.
FOR LOCATIONS BETWEEN 3000 AND 5000 FEET, WET SNOW ACCUMULATIONS
OF 3 TO 12 INCHES POSSIBLE. FOR ISOLATED LOCATIONS BETWEEN 5000
AND 5500 FEET NEAR MOUNT HOOD, ACCUMULATIONS OF 12 TO 18 INCHES.
* WHERE...NORTH OREGON CASCADES.
* WHEN...UNTIL 11 PM PDT THURSDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS.
* ADDITIONAL DETAILS...FOR LOCATIONS ABOVE 5500 FEET, EXPECT SEVERAL
FEET OF WET SNOW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HAVE A WINTER EMERGENCY DRIVING KIT READILY AVAILABLE. COMMON ITEMS
TO INCLUDE: FLASHLIGHT, BATTERIES, BLANKETS, A SHOVEL, WATER,
NON-PERISHABLE FOOD ITEMS, TIRE CHAINS, ETC.
BE AWARE THAT WALKING SURFACES MAY BE SLICK. WALK WITH EXTRA CARE.
FOR THE LATEST ROAD CONDITIONS AND CHAIN RESTRICTIONS IN OREGON,
CALL 5 1 1, OR VISIT: WWW.TRIPCHECK.COM.
FOR THE LATEST ROAD CONDITIONS AND CHAIN RESTRICTIONS IN WASHINGTON,
VISIT: WSDOT.COM/TRAVEL/REAL-TIME/MAP
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
WWW.WEATHER.GOV/PORTLAND
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