Oregon, Washington Moderate Heat Advisory | Effective 08/21/2026 04:50

Headline: 
Heat Advisory issued August 21 at 4:50AM PDT until August 21 at 10:00PM PDT by NWS Pendleton OR
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 21, 2026 - 4:50am
Expires: 
August 21, 2026 - 7:00pm
Description: 
* WHAT...Hot conditions with temperatures up to 94 degrees. This will pose a moderate to major risk of heat-related illness. * WHERE...Blue Mountains of Oregon and Washington, Wallowa County, Ochoco-John Day Highlands, Simcoe Highlands, and Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit 211info.org for Oregon or wa211.org for Washington anytime.
Area Description: 
Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon; Ochoco-John Day Highlands; Northwest Blue Mountains; Simcoe Highlands; Lower Slopes of the Eastern Washington Cascades Crest
Forcast Office: 
NWS Pendleton OR
Sender: 
w-nws.webmaster@noaa.gov