636  
WWUS86 KPDT 311434  
SPSPDT  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE PENDLETON OR  
734 AM PDT FRI OCT 31 2025  
 
WAZ026-028-029-311830-  
KITTITAS VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-  
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-  
INCLUDING THE CITIES OF ELLENSBURG, THORP, CONNELL, PROSSER,  
TRI-CITIES, DAYTON, WAITSBURG, AND WALLA WALLA  
734 AM PDT FRI OCT 31 2025  
 
PATCHES OF FOG WITH VISIBILITIES FROM A QUARTER MILE TO ONE MILE  
HAVE BEEN OBSERVED ACROSS PORTIONS OF THE WASHINGTON COLUMBIA  
BASIN, KITTITAS VALLEY, AND BLUE MOUNTAIN FOOTHILLS. FOG WITH VERY  
LOW VISIBILITIES HAVE BEEN ESPECIALLY NOTED ALONG US HIGHWAY 12,  
US HIGHWAY 395, AND ACROSS THE WALLA WALLA VALLEY. THE FOG IS  
EXPECTED TO LAST THE NEXT SEVERAL HOURS, WITH IT CLEARING UP  
BEFORE NOON. LOW VISIBILITIES IN FOG MAY IMPACT TRAVEL, WITH AREAS  
OF FREEZING FOG CREATING SLICK SURFACES.  
 

 
 
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