633
WWUS46 KPDT 101338
WSWPDT
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
638 AM PDT TUE MAR 10 2026
WAZ522-102315-
/O.CAN.KPDT.WW.Y.0007.000000T0000Z-260310T1500Z/
/O.CON.KPDT.WS.W.0003.260311T0000Z-260313T1200Z/
UPPER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST-
INCLUDING THE CITIES OF ROSLYN AND EASTON
638 AM PDT TUE MAR 10 2026
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 AM PDT FRIDAY...
..WINTER WEATHER ADVISORY IS CANCELLED
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND
3 FEET. WINDS GUSTING AS HIGH AS 55 MPH BETWEEN 8 PM WEDNESDAY AND
11 AM THURSDAY.
* WHERE...UPPER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST.
* WHEN...FROM 5 PM THIS AFTERNOON TO 5 AM PDT FRIDAY.
* IMPACTS...SIGNIFICANT SNOWFALL WITH PERIODS OF HEAVY SNOWFALL
RATES WILL COMBINE WITH LOW VISIBILITY TO CREATE DIFFICULT DRIVING
CONDITIONS.
* ADDITIONAL DETAILS...A STRONG WINTER STORM WILL BRING HEAVY
MOUNTAIN SNOW TONIGHT THROUGH FRIDAY MORNING. THERE IS A LULL
EXPECTED WHICH WILL OCCUR LATE WEDNESDAY MORNING THROUGH EARLY
THURSDAY MORNING AS SNOW LEVELS RISE, BRINGING A WINTERY MIX OR
RAIN BEFORE DECREASING THURSDAY AND HEAVY SNOW RETURNING TO THE
PASSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PERSONS SHOULD CONSIDER DELAYING ALL TRAVEL. IF TRAVEL IS ABSOLUTELY
NECESSARY, DRIVE WITH EXTREME CAUTION. CONSIDER TAKING A WINTER
STORM KIT ALONG WITH YOU, INCLUDING SUCH ITEMS AS TIRE CHAINS,
BOOSTER CABLES, FLASHLIGHT, SHOVEL, BLANKETS AND EXTRA CLOTHING.
ALSO TAKE WATER, A FIRST AID KIT, AND ANYTHING ELSE THAT WOULD HELP
YOU SURVIVE IN CASE YOU BECOME STRANDED.
DO NOT TOUCH DOWNED LINES AND REPORT ANY POWER OUTAGES TO YOUR
ELECTRIC COMPANY. TRAVEL IS HIGHLY DISCOURAGED DUE TO SLICK ROADWAYS
AND THE POSSIBILITY OF DOWNED TREES AND POWER LINES.
ORZ509-102315-
/O.CON.KPDT.WW.Y.0008.260310T1800Z-260312T0000Z/
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF SISTERS, LA PINE, SUNRIVER, AND CAMP
SHERMAN
638 AM PDT TUE MAR 10 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 5 PM PDT WEDNESDAY ABOVE 4500 FEET...
* WHAT...SNOW EXPECTED ABOVE 4500 FEET. TOTAL SNOW ACCUMULATIONS
BETWEEN 5 AND 8 INCHES. WINDS GUSTING AS HIGH AS 45 MPH.
* WHERE...EAST SLOPES OF THE OREGON CASCADES.
* WHEN...FROM 11 AM THIS MORNING TO 5 PM PDT WEDNESDAY.
* IMPACTS...PERIODS OF MODERATE AND HEAVY SNOW WILL COMBINE WITH LOW
VISIBILITIES TO CREATE DIFFICULT DRIVING CONDITIONS. GUSTY WINDS
COULD BRING DOWN TREE BRANCHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS CAN BE OBTAINED BY VISITING TRIPCHECK.COM ONLINE, OR BY
CALLING 5 1 1.
WAZ030-102315-
/O.CON.KPDT.WW.Y.0008.260311T0300Z-260312T0300Z/
NORTHWEST BLUE MOUNTAINS-
INCLUDING THE CITIES OF SKI BLUEWOOD RESORT
638 AM PDT TUE MAR 10 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM PDT WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND 11
INCHES. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...NORTHWEST BLUE MOUNTAINS.
* WHEN...FROM 8 PM THIS EVENING TO 8 PM PDT WEDNESDAY.
* IMPACTS...PERIODS OF MODERATE AND HEAVY SNOW WILL COMBINE WITH LOW
VISIBILITIES TO CREATE DIFFICULT DRIVING CONDITIONS. GUSTY WINDS
COULD BRING DOWN TREE BRANCHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS CAN BE OBTAINED BY VISITING THE WEBSITE
WSDOT.WA.GOV/TRAVEL.
BL
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