507  
WWUS76 KPDT 050235  
NPWPDT  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PENDLETON OR  
735 PM PDT THU SEP 4 2025  
 
ORZ041-044-507-508-510-WAZ024-026>029-521-050345-  
/O.EXP.KPDT.XH.W.0003.000000T0000Z-250905T0300Z/  
EASTERN COLUMBIA RIVER GORGE OF OREGON-LOWER COLUMBIA BASIN OF  
OREGON-FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-  
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-NORTH CENTRAL  
OREGON-EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-  
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-FOOTHILLS OF THE  
BLUE MOUNTAINS OF WASHINGTON-SIMCOE HIGHLANDS-  
INCLUDING THE CITIES OF HERMISTON, ARLINGTON, TRI-CITIES, PILOT  
ROCK, WALLA WALLA, DUFUR, ELLENSBURG, WHITE SALMON, BOARDMAN,  
PROSSER, IONE, THORP, WAITSBURG, MAUPIN, PENDLETON, BICKLETON,  
ATHENA, GOLDENDALE, MORO, YAKIMA, CONNELL, NACHES, THE DALLES,  
TOPPENISH, FOSSIL, CONDON, HEPPNER, DAYTON, AND SUNNYSIDE  
735 PM PDT THU SEP 4 2025  
   
..EXTREME HEAT WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING
 
 

 
 
ORZ049-050-502-505-WAZ030-523-050345-  
/O.EXP.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/  
GRANDE RONDE VALLEY-WALLOWA COUNTY-NORTHERN BLUE MOUNTAINS OF  
OREGON-JOHN DAY BASIN-NORTHWEST BLUE MOUNTAINS-LOWER SLOPES OF  
THE EASTERN WASHINGTON CASCADES CREST-  
INCLUDING THE CITIES OF ELGIN, ENTERPRISE, JOHN DAY, SPRAY,  
MITCHELL, SKI BLUEWOOD RESORT, CLE ELUM, TOLLGATE, DAYVILLE,  
UNION, COVE, LA GRANDE, CLIFFDELL, MEACHAM, WALLOWA, APPLETON,  
JOSEPH, AND MONUMENT  
735 PM PDT THU SEP 4 2025  
   
..HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING
 
 
THE THREAT HAS ENDED.  
 

 
 
PDT  
 
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