Extreme Heat Warning

Locations Affected

Huntsville, AL ∙ Decatur, AL ∙ Huntland, TN ∙ Lester, AL ∙ Bremen, AL ∙ Redstone Arsenal, AL ∙ Hollytree, AL ∙ Russell Cave National Monument, AL ∙ Huntsville Madison County Executive Airport, AL ∙ Skyline, AL

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Huntsville AL 1121 AM CDT Tue Jun 30 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT FROM 7 PM WEDNESDAY THROUGH 7 PM CDT THURSDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112. For the Heat Advisory, heat index values up to 109 expected. * WHERE...All counties in northern Alabama and southern middle Tennessee. * WHEN...For the Extreme Heat Warning, now until 7 PM CDT Wednesday. For the Heat Advisory, from 7 PM Wednesday until 7 PM CDT Thursday. * 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.

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