Extreme Heat Warning: Stewart; Montgomery; Robertson; Sumner; Macon; Clay; Houston; Humphreys; Dickson; Cheatham; Davidson; Wilson; Trousdale; Smith; Jackson; Putnam; Perry; Hickman; Lewis; Williamson; Maury; Marshall; Rutherford; Cannon; De Kalb; Bedford; Wayne; Lawrence; Giles

extract

Extreme Heat Warning — Stewart; Montgomery; Robertson; Sumner; Macon; Clay; Houston; Humphreys; Dickson; Cheatham; Davidson; Wilson; Trousdale; Smith; Jackson; Putnam; Perry; Hickman; Lewis; Williamson; Maury; Marshall; Rutherford; Cannon; De Kalb; Bedford; Wayne; Lawrence; Giles Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 112. Little to no relief will come overnight as lows will remain very warm in the upper 70s to 80 degrees. * WHERE...A majority of Middle Tennessee west of the Cumberland Plateau. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.