Heat advisory in place for Western Washington from Sunday to Tuesday

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On Thursday at 12:38 p.m. the NWS Seattle WA released a heat advisory valid from Sunday 11 a.m. until Tuesday 5 a.m. The advisory is for Lake Crescent Area Including US 101, Foothills of the Western and Southern Olympic Peninsula and Lower Chehalis River Valley.

"Hot conditions with high temperatures up to 90 degrees to 95 degrees and low temperatures down to 60 degrees expected. This will pose a moderate risk of heat-related illness," adds the NWS. "Areas away from water may see localized areas of major HeatRisk."

"Heat will significantly increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration," comments the NWS.

This advisory is in effect until Tuesday at 5 a.m.

NWS Heat Wave Safety Tips: Stay safe with these recommendations

• Stay hydrated: Remember to drink plenty of fluids.
• Find cool shelter: Stay in an air-conditioned room.
• Check on others: Stay out of the sun, and make sure to check up on relatives and neighbors.
• Child and pet welfare: Never forget to safeguard young children and pets by not leaving them unattended in vehicles, especially during scorching weather when car interiors can become life-threateningly hot.
• Be cautious outdoors: Take extra precautions if you work or spend time outside.
• Time your activities wisely: When possible, reschedule strenuous activities to early morning or evening.
• Familiarize yourself with warning signs: Know the symptoms of heat exhaustion and heat stroke.
• Stay cool with clothing: Wear lightweight and loose-fitting clothing.

For a safer outdoor work environment, follow the Occupational Safety and Health Administration (OSHA)'s guidance by scheduling regular rest breaks in shaded or air-conditioned places. If anyone shows signs of heat illness, promptly move them to a cool, shaded area. In an emergency, call 911.

Source: The National Weather Service

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This story was originally published June 11, 2026 at 12:41 PM.