Heat advisory affecting Eastern Columbia River Gorge of Washington until Tuesday night

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At 9:36 p.m. on Monday, the NWS Pendleton OR released a heat advisory in effect until Tuesday at 11 p.m. for Eastern Columbia River Gorge of Washington.

The NWS informs, "Dangerously hot conditions with temperatures up to 100 degrees possible. This will pose a major risk of heat-related illness."

"Hot temperatures may cause heat illnesses," says the NWS.

This advisory is in effect until Tuesday at 11 p.m.

During heat waves, consider the following tips from the NWS

• Stay hydrated: Make sure to drink plenty of fluids.
• Stay in an air-conditioned room.
• Look out for others: Stay out of the sun, and check up on relatives and neighbors.
• Child and pet safety: Never leave young children and pets unattended in hot vehicles - car interiors can reach lethal temperatures in a matter of minutes.
• Be cautious outdoors: Take extra precautions if you work or spend time outside.
• Time your activities wisely: If possible, reschedule strenuous activities to early morning or evening when the heat is less intense.
• Recognize warning signs: Familiarize yourself with symptoms of heat exhaustion and heat stroke.
• Stay cool with clothing: Wear lightweight and loose-fitting clothing.

To reduce risk during outdoor work, the Occupational Safety and Health Administration (OSHA) recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. In an emergency, call 911.

Source: The National Weather Service

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This story was originally published June 22, 2026 at 9:42 PM.