Expected high temperatures across Whatcom County bring warning, advisory
By Staff on August 22, 2025 8:39am
WHATCOM COUNTY, Wash. — Forecasters with the Seattle office of the National Weather Service (NWS) have issued an extreme heat warning and heat advisory for Whatcom County areas.
Extreme Heat Warning issued August 22 at 2:46AM PDT until August 26 at 5:00AM PDT by NWS Seattle WA
WHAT…Hot conditions with high temperatures ranging from the upper 80s to upper 90s and low temperatures mostly in the 60s. This will pose a major risk of heat-related illness.
WHERE…Foothills and Valleys of the North Cascades, Foothills and Valleys of Central King County, Foothills and Valleys of Pierce and Southern King Counties, Foothills and Valleys of Snohomish and Northern King Counties, and Foothills and Valleys of Thurston and Lewis Counties.
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WHEN…From 11 AM this morning to 5 AM PDT Tuesday.
IMPACTS…Heat related illnesses increase significantly during extreme heat events.
Instructions 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.
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For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit wa211.org anytime.
– National Weather Service Seattle office (August 22, 2025)
Heat Advisory issued August 22 at 2:46AM PDT until August 26 at 5:00AM PDT by NWS Seattle WA
* WHAT…Hot conditions with high temperatures ranging from the mid 80s to 90s expected and low temperatures mostly in the 60s. This will pose a moderate risk of heat-related illness.
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* WHERE…Portions of northwest and west central Washington.
* WHEN…From 11 AM this morning to 5 AM PDT Tuesday. * IMPACTS…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.
Instructions 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 wa211.org anytime.
– National Weather Service Seattle office (August 22, 2025)
Whatcom News readers are encouraged to stay up to date with current weather alerts and forecasts and air quality readings for their specific Whatcom County locations along with tide tables via the Whatcom News Weather page.
