568
WWUS46 KPDT 131753
WSWPDT
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1053 AM PDT MON APR 13 2026
ORZ509-140630-
/O.UPG.KPDT.WS.A.0004.260415T0000Z-260416T1200Z/
/O.NEW.KPDT.WS.W.0005.260415T0000Z-260416T1200Z/
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF SISTERS, LA PINE, SUNRIVER, AND CAMP
SHERMAN
1053 AM PDT MON APR 13 2026
...WINTER STORM WARNING IN EFFECT FROM 5 PM TUESDAY TO 5 AM PDT
THURSDAY ABOVE 4000 FEET...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 6 TO 12
INCHES ABOVE 4000 FEET, HEAVIEST ALONG THE CASCADE CREST. WINDS
GUSTING AS HIGH AS 45 MPH.
* WHERE...EAST SLOPES OF THE OREGON CASCADES.
* WHEN...FROM 5 PM TUESDAY TO 5 AM PDT THURSDAY.
* IMPACTS...SIGNIFICANT SNOWFALL WITH PERIODS OF HEAVY SNOWFALL
RATES WILL COMBINE WITH LOW VISIBILITY TO CREATE VERY DIFFICULT
DRIVING CONDITIONS. GUSTY WINDS COULD BRING DOWN TREE BRANCHES.
* ADDITIONAL DETAILS...LIGHTER SNOWFALL IS FORECAST BELOW 4000 FEET
ALONG US 97, US 26, AND US20.
STEADY SNOWFALL LATE TUESDAY AFTERNOON INTO WEDNESDAY MORNING WILL
TURN OVER TO SNOW SHOWERS WEDNESDAY AFTERNOON.
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.
WAZ522-140630-
/O.NEW.KPDT.WW.Y.0012.260414T1800Z-260416T0600Z/
UPPER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST-
INCLUDING THE CITIES OF ROSLYN AND EASTON
1053 AM PDT MON APR 13 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 11 PM PDT
WEDNESDAY ABOVE 2500 FEET...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES
ABOVE 2500 FEET WITH LOCALLY HIGHER AMOUNTS ALONG THE CASCADE
CREST. WINDS GUSTING AS HIGH AS 45 MPH.
* WHERE...UPPER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST.
* WHEN...FROM 11 AM TUESDAY TO 11 PM PDT WEDNESDAY.
* IMPACTS...SIGNIFICANT SNOWFALL WITH PERIODS OF HEAVY SNOWFALL
RATES WILL COMBINE WITH LOW VISIBILITY TO CREATE VERY DIFFICULT
DRIVING CONDITIONS. GUSTY WINDS COULD BRING DOWN TREE BRANCHES.
* ADDITIONAL DETAILS...LIGHTER SNOWFALL AMOUNTS ARE FORECAST BELOW
2500 FEET ALONG I-90 AND US 12.
STEADY SNOWFALL TUESDAY AFTERNOON THROUGH TUESDAY NIGHT WILL TURN
OVER TO SNOW SHOWERS WEDNESDAY.
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.
PDT
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