Heat Advisory issued July 20 at 8:38PM CDT until July 21 at 8:00PM CDT by NWS Huntsville AL
Issue date: 2026-07-21T01:38+00:00
* WHAT...Heat index values up to 109. * WHERE...Portions of north central, northeast, and northwest Alabama and southern middle Tennessee. * WHEN...Until 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
