Extreme Heat Warning
Status
New Event Active alertStart Time
Tue 06/30/2026 12:21 PM EDTEnd Time
Wed 07/01/2026 08:00 PM EDTSignificance
WarningImpacts
High impact
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, ALFull 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.
Technical Header
ALZ001>010-016-TNZ076-096-097-011215- /O.UPG.KHUN.HT.Y.0001.000000T0000Z-260703T0000Z/ /O.NEW.KHUN.XH.W.0001.260630T1621Z-260702T0000Z/ /O.NEW.KHUN.HT.Y.0002.260702T0000Z-260703T0000Z/ Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- Including the cities of Decatur, Fort Payne, Winchester, Fayetteville, Red Bay, Albertville, Town Creek, Scottsboro, Moulton, Huntsville, Guntersville, Lynchburg, Sewanee, Estill Springs, Tuscumbia, Sheffield, Russellville, Decherd, Cowan, Arab, Rainsville, Muscle Shoals, Athens, Boaz, Florence, and Cullman 1121 AM CDT Tue Jun 30 2026