Headline:
Heat Advisory issued August 21 at 1:09PM PDT until August 21 at 10:00PM PDT by NWS Pendleton OR
Event:
Heat Advisory
Urgency:
Expected
Effective:
August 21, 2026 - 1:09pm
Expires:
August 21, 2026 - 10:00pm
Description:
* WHAT...Hot conditions with afternoon high temperatures of 90 to 100
degrees. This will pose a moderate risk of heat-related illness.
* WHERE...In Oregon, Central Oregon, John Day Basin, Foothills of the
Northern Blue Mountains of Oregon, and Grande Ronde Valley. In
Washington, Yakima Valley, Lower Columbia Basin of Washington, and
Foothills of the Blue Mountains of Washington.
* 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:
Grande Ronde Valley; John Day Basin; Foothills of the Northern Blue Mountains of Oregon; Central Oregon; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington
Forcast Office:
NWS Pendleton OR
Sender:
w-nws.webmaster@noaa.gov