Seattle

Seattle Under Heat Advisory, NWS Urges Precautions to Prevent Illness as Temperatures Soar

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Published on August 22, 2025
Seattle Under Heat Advisory, NWS Urges Precautions to Prevent Illness as Temperatures SoarSource: Google Street View

As summer holds Seattle firmly in its warm embrace, the National Weather Service (NWS) has issued a heat advisory for the region which is expected to last through early next week. According to the NWS, "hot conditions with high temperatures ranging from the mid 80s to 90s expected and low temperatures mostly in the 60s" pose a moderate risk for heat-related illnesses, particularly for those without adequate cooling or hydration.

The advisory, which remains in effect from 11:00 a.m. this morning to 5:00 a.m. PDT Tuesday, spans across diverse localities including the capital Olympia, Seattle, and areas of Western Whatcom County, among others, with an anticipated increase in temperatures that could effortlessly sweep into the 90s, the advisory also highlights that "young children and pets should never be left unattended in vehicles under any circumstances."

The heat advisory comes with clear advisories to the public: drink plenty of fluids, stay in air-conditioned indoor locations, avoid the sun during peak heat, and check on those who are vulnerable such as elderly neighbors and relatives. For those working or engaging in outdoor activities, the NWS has recommended shifting strenuous physical tasks to, either the cooler early morning hours or the evening "when possible reschedule strenuous activities to early morning or evening" to mitigate the effects of scorching temperatures.

The NWS advises being on the lookout for symptoms of heat exhaustion and heat stroke: two serious health concerns that can escalate rapidly in such conditions, in this context Seattle's residents have been further advised to don lightweight and breathable attire, to facilitate in keeping body temperatures within a safe range and for people overcome by heat need to be immediately moved to cooler shaded locations since "Heat stroke is an emergency! Call 9 1 1." Suggests the NWS, going further to provide resources, it indicates that anyone needing shelter information or other services can use the 211 service or visit wa211.org at any time.

For the most current weather information and forecasts, Seattleites can visit the National Weather Service at forecast.weather.gov, staying updated is encouraged as temperatures and conditions may change as the heat advisory continues over the next several days.