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🌦 Weather

Extreme Heat

Extreme heat is the deadliest weather-related cause of death in the US — preparation and awareness save lives.

Prepare

  • Know the location of the nearest cooling center in your city — open during heat emergencies.
  • Keep electrolyte drinks or packets at home (Pedialyte, Liquid IV, sports drinks).
  • Have a battery-powered fan as a backup if AC fails.
  • Check on elderly neighbors and relatives during heat events — they are at highest risk.

Prevent

  • Never leave people or pets in a parked car — even with windows cracked, temperatures can hit 130°F in minutes.
  • Run AC and keep your home cool during the cooler morning hours.
  • Avoid setting your thermostat below 78°F when it is above 95°F outside — the extreme differential strains your AC (see AC Failure scenario).
  • Wear light-colored, loose-fitting, breathable clothing.
  • Stay hydrated — drink water before you feel thirsty.

Respond

  1. Move to an air-conditioned environment — your home, a shopping center, library, or cooling center.
  2. If AC is unavailable at home: use cool showers or baths, wet towels on the neck and wrists, or fans with ice in front of them.
  3. Avoid outdoor activity between 11am–4pm on extreme heat days.
  4. Check on vulnerable neighbors — elderly, very young, and those with chronic illnesses are at highest risk.
  5. Watch for signs of heat exhaustion and heatstroke (see Heat Exhaustion scenario) — heatstroke is a 911 emergency.

Resources

  • NWS Heat Safety: weather.gov/safety/heat
  • CDC Extreme Heat: emergency.cdc.gov/disasters/extremeheat
  • Search "[your city] cooling center" for local options
  • Emergency: 911