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Excessive Heat Watch issued by NWS Seattle for northwest and central western Washington

Whatcom County Fire District 7 crews provide a fun way to cool down at Pioneer Park in Ferndale during a heat wave (June 28, 2021). Photo: Whatcom News

WHATCOM COUNTY, Wash. — The Seattle office of the National Weather Service (NWS) has issued an Excessive Heath Watch today, August 12th, for much of western Washington including Whatcom County between 10am on Monday, August 14th, and 10pm on Thursday, August 17th.

Watch area

The NWS watch statement says the Puget Sound area can expect “dangerously hot conditions with daytime temperatures in the 80s and 90s and lows in the 60s. This will pose Moderate to Major Heat Risk levels and risk of heat-related illness.”

Weather forecasts for locations around Whatcom County warn to expect higher than usual temperatures Sunday through Thursday, peaking Monday with the highest temperatures occurring at locations furthest from the water.

Forecast high temperatures as of August 12th are as follows.

LocationSundayMondayTuesdayWednesdayThursday
Bellingham85°87°85°84°82°
Ferndale89°89°88°87°84°
Birch Bay83°83°81°80°78°
Blaine86°86°84°83°81°
Lynden90°90°88°87°84°
Sumas91°91°89°88°84°
Everson/Nooksack90°90°88°88°84°
Glacier84°87°85°83°77°
Acme83°85°84°84°82°
Sudden Valley83°85°84°84°82°
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