Seattle

Heat Advisory Issued for Seattle Area, NWS Cancels Extreme Heat Warning Amid Moderate Risks

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Published on August 26, 2025
Heat Advisory Issued for Seattle Area, NWS Cancels Extreme Heat Warning Amid Moderate RisksSource: Google Street View

The National Weather Service in Seattle has issued a heat advisory for the Seattle area, including the Eastside and lowlands of Pierce and Southern King Counties, to last until 8 PM PDT this evening. The previously issued extreme heat warning has been canceled, with current conditions now pointing towards a moderate to locally major risk of heat-related illnesses.

Temperatures in the area are expected to reach the upper 80s to low 90s, a slight decrease due in part to an increase in cloud cover, with lows hovering around the mid-60s. Residents are advised to stay hydrated and remain in air-conditioned environments whenever possible. For those working outside, it is recommended to wear lightweight clothing and to take frequent rest breaks in shaded or air conditioned spaces.

According to the NWS update, "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." These conditions are not only risky for individuals sensitive to heat but also for pets and young children, especially if left unattended in vehicles.

The NWS further advises the public to "Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors." For anyone in need of shelter or other human services, the public can dial 2 1 1 during business hours or visit wa211.org at any time for more information. During this heat event, recognizing the signs and symptoms of heat exhaustion and heat stroke is crucial for safety.

Overall, the Seattle community is urged to take necessary precautions and to look out for those most vulnerable to the effects of heat. With temperatures forecasted to remain high into the week, it is essential to stay informed on the latest weather developments and to adjust plans accordingly to avoid the peak heat periods of the day.