Headline:
Heat Advisory issued June 20 at 11:40AM PDT until June 23 at 11:00PM PDT by NWS Seattle WA
Event:
Heat Advisory
Urgency:
Expected
Effective:
June 20, 2026 - 11:40am
Expires:
June 20, 2026 - 7:45pm
Description:
* WHAT...Hot conditions with high temperatures between 85 to 95
degrees expected and low temperatures between 55 to 60 degrees.
This will pose a moderate risk of heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From 11 AM Monday to 11 PM 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.
* ADDITIONAL DETAILS...Temperatures will peak on Tuesday with the
hottest locations expected to be in the low 90s in the Puget Sound
region and mid 90s in areas south of Olympia.
Instruction:
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.
Area Description:
San Juan County; Foothills and Valleys of the North Cascades; Foothills and Valleys of Thurston and Lewis Counties; Lowlands of Western Whatcom County; Lowlands of Western Skagit and Northwestern Snohomish Counties; Olympia and Southern Puget Sound; Lowlands of Lewis and Southern Thurston Counties; Middle Chehalis River Valley; Willapa and Black Hills; Southern Hood Canal; Northern Hood Canal; Port Townsend Area; Eastern Strait of Juan de Fuca; Foothills of the Western and Southern Olympic Peninsula; Lower Chehalis River Valley; Island County
Forcast Office:
NWS Seattle WA
Sender:
w-nws.webmaster@noaa.gov