45°40'N / 118°47'W / Altitude 325 m / 03:54 2026/07/22, America/Los_Angeles (UTC-7)
From: 2026/07/21, 20:30
To: 2026/07/22, 07:15
* WHAT...Hot conditions with temperatures up to 103 degrees. This will pose a moderate to major risk of heat-related illness. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of Washington. * WHEN...Until 9 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Wednesday looks to be the hottest day, with Major HeatRisk across the Columbia Basin, Yakima Valley and portions of the Gorge and Blue Mountain Foothills. Thursday will also see widespread moderate HeatRisk and locally major HeatRisk, mainly across the Columbia Basin. Smoke from area wildfires could end up affecting how hot temperatures get.
Umatilla,Foothills of the Northern Blue Mountains of Oregon
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.
Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
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.
NWS Pendleton OR
2026/07/21, 20:30
From: 2026/07/20, 13:46
To: 2026/07/23, 09:00
Oregon Department of Environmental Quality has issued an Air Quality Advisory until 4 PM PDT Wednesday. For the Smoke Air Quality Advisory, wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. For additional information...please visit the Web site at http://www.oregon.gov/DEQ
UmatillaNWS Pendleton OR2026/07/20, 13:46