212  
WWUS46 KPDT 112048  
WSWPDT  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PENDLETON OR  
148 PM PDT SAT OCT 11 2025  
 
ORZ509-WAZ522-121415-  
/O.NEW.KPDT.WW.Y.0022.251012T2300Z-251013T2000Z/  
EAST SLOPES OF THE OREGON CASCADES-UPPER SLOPES OF THE EASTERN  
WASHINGTON CASCADES CREST-  
INCLUDING THE CITIES OF LA PINE, EASTON, SUNRIVER, CAMP SHERMAN,  
SISTERS, AND ROSLYN  
148 PM PDT SAT OCT 11 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM SUNDAY TO 1 PM PDT  
MONDAY ABOVE 4000 FEET ...  
 
* WHAT...SNOW EXPECTED ABOVE 4000 FEET. TOTAL SNOW ACCUMULATIONS 2  
TO 6 INCHES.  
 
* WHERE...IN OREGON, EAST SLOPES OF THE OREGON CASCADES. IN  
WASHINGTON, UPPER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST.  
 
* WHEN...FROM 4 PM SUNDAY TO 1 PM PDT MONDAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS. TRAVEL COULD BE DIFFICULT DUE  
TO PERIODS OF MODERATE TO HEAVY SNOW.  
 
* ADDITIONAL DETAILS...WET SNOW IS EXPECTED MAINLY ABOVE 4000 FEET.  
THIS WILL IMPACT THE HIGHER MOUNTAIN PASSES INCLUDING WHITE PASS  
AND SANTIAM PASS.  
 
ANYONE WITH OUTDOOR ACTIVITIES IN THE MOUNTAINS THIS WEEKEND SHOULD  
BE PREPARED FOR CHANGING WEATHER CONDITIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. IN OREGON, THE LATEST  
ROAD CONDITIONS CAN BE OBTAINED BY VISITING TRIPCHECK.COM ONLINE, OR  
BY CALLING 5 1 1. IN WASHINGTON, THE LATEST ROAD CONDITIONS CAN BE  
OBTAINED BY VISITING THE WEBSITE WSDOT.WA.GOV/TRAVEL.  
 
 
 
 
 
MR  
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