Extreme heat is the deadliest weather-related hazard in the United States. Washington summers are getting longer, hotter, and potentially more dangerous. Extreme heat events (heat waves) are predicted to happen more often and last longer due to climate change.
Heat-related deaths are preventable. The best way to prevent heat-related illnesses and death is to follow hot weather safety precautions.
Information on Extreme Heat
CDC Extreme Heat - English / Spanish
Washington Hot Weather Safety (Web): English / Spanish
Washington Hot Weather Safety (PDF): English (Large Type) / Spanish / Chinese (Simplified) / Korean / Russian / Somali / Ukrainian / Vietnamese
Washington Labor & Industries Outdoor Safety for Workers: English / Spanish
During periods of extreme heat, cooling centers may be established in your area and are free to the public. Dial 2-1-1 or use the statewide online resource here to find cooling centers near you. Language assistance is available.
Cooling Without Air Conditioning
Tips to cool indoor air in a safe manner when air conditioning is not available: Cooling Indoor Spaces Without Air Conditioning
COVID-19 and Heat
CDC: COVID-19 and Cooling Centers
Research and Data
Heat Dome 2021: English / Spanish
Climate Change and Heat: English
Washington Tracking Network Heat Stress Data: English
- Ready.gov Extreme Heat (web): English / Spanish / Arabic / Chinese (Simplified) / French / Haitian Creole / Japanese / Korean / Russian / Tagalog / Vietnamese
- Ready.gov Extreme Heat Safety Social Media Toolkit: English / Spanish /American Sign Language (ASL)
- National Weather Service Extreme Heat Watch/Warnings in WA
- National Weather Service Heat Safety Social Media Tools: English / Spanish
- National Weather Service Offices
- National Weather Service HeatRisk Forecast