711 
WWUS76 KPDT 311925
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1225 PM PDT Sun Aug 31 2025

ORZ041-044-507-508-510-WAZ024-026>029-521-012200-
/O.NEW.KPDT.XH.A.0004.250902T1800Z-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, Waitsburg, Tri-Cities,
Bickleton, Connell, Toppenish, Dufur, Pilot Rock, Maupin, Ione,
The Dalles, Athena, Fossil, Moro, Boardman, Yakima, Goldendale,
Thorp, Dayton, Naches, Walla Walla, Condon, Prosser, White
Salmon, Arlington, Sunnyside, Pendleton, Heppner, and Ellensburg
1225 PM PDT Sun Aug 31 2025

...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH 
THURSDAY EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 102 
  degrees possible. This will pose a major risk of heat-related 
  illness.

* WHERE...Portions of north central and northeast Oregon and 
  central, south central, and southeast Washington.

* WHEN...From Tuesday morning through Thursday evening.

* IMPACTS...Heat related illnesses increase significantly during 
  extreme heat events. Extreme heat will significantly increase the 
  risk of heat-related illnesses for much of the population, 
  especially those who are heat sensitive and those without 
  effective cooling or adequate hydration.

* ADDITIONAL DETAILS...Daily high temperature records are at risk 
  for many cities in the watch area Tuesday through Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this 
situation. Be prepared to drink plenty of fluids, stay in an 
air-conditioned room, stay out of the sun, and check up on relatives 
and neighbors.


&&

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CE