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Excessive Heat Warning for Seattle until 8/16 at 11:00 PM

The National Weather Service has issued an Excessive Heat Warning for Seattle until Wednesday, August 16 at 11:00 pm. Information about this Warning and other advisories for our area can be found at

Daytime high temperatures over 90 degrees and warmer than average overnight temperatures over a period of several days increases likelihood of heat-related illness. The HeatRisk for most of Seattle is rated as Major through Wednesday: This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure. To learn more about HeatRisk and what it means for you, visit the NWS HeatRisk Prototype page.

Cooling Centers and Heat Safety

Heat safety information and locations with air-conditioning where you can cool off are available at

Please be aware that, due to increased temperatures in the forecast this week, early closures are possible at Library locations without air conditioning. Visit your local library branch page at before visiting to make sure it is open or visit to learn about schedule disruptions. You can find a list of SPL’s 18 air-conditioned libraries at

Check on Neighbors, Family, and Friends

Certain populations are more at risk for heat-related illness during extreme heat.

Check in with:

  • People who work or live outside
  • People in homes without air conditioning
  • Adults over age 65
  • Children
  • Individuals with health conditions

What to ask:

  • Do you have an air conditioner? Is it running?
  • Do you have a cool place to sleep and sit?
  • Are you drinking a cup of water every hour?
  • Do you have enough food, supplies, ice, and medicine?
  • Can I pick something up for you? Can I run an errand for you?
  • Are you alone? Is someone staying with you?
  • Do you have a family member you can stay with for a few days? Can I help put you in touch?

What to do:

  • Don’t be afraid to be the one to help — call 911 if you see any of the symptoms of heat illness.
  • Offer your cool space for them to spend the day.
  • Help them get to a cooling center.
  • Contact Community Living Connections (toll-free 844-348-5464). Community Living Connections offers consultations and referrals to older adults, adults with disabilities, caregivers, family members, and professionals. Services are confidential and free of charge.

If you know of someone who is unable to understand, see, or hear this message, please tell them about it. You can also call the Customer Service Bureau for help understanding this page: 206-684-CITY (2489) and TTY 7-1-1.