Heat Advisory

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Pendleton OR 109 PM PDT Fri Aug 21 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING... * 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.