Heat Advisory

Locations Affected

Detroit, MI ∙ Sterling Heights, MI ∙ Warren, MI ∙ Ann Arbor, MI ∙ Flint, MI ∙ Troy, MI ∙ Livonia, MI ∙ Farmington Hills, MI ∙ Dearborn, MI ∙ Westland, MI

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 322 PM EDT Fri Jun 20 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 8 AM EDT SUNDAY... ...EXTREME HEAT WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 102 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 105 possible. * WHERE...All of southeast Michigan. * WHEN...For the Heat Advisory, from 2 PM Saturday to 8 AM EDT Sunday. For the Extreme Heat Watch, from Sunday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates. Check with local emergency management officials for information on cooling center availability. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

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