Moderate Expected Likely Heat Advisory Heat Advisory issued September 13 at 12:25PM CDT until September 13 at 7:00PM CDT by NWS Memphis TN Sep 13, 12:25 PM → Sep 13, 7:00 PM WHAT: For the first Heat Advisory, heat index values up to 108.For the second Heat Advisory, heat index values up to 109 expected. WHERE: Portions of East Arkansas, North Mississippi, SoutheastMissouri, and West Tennessee. WHEN: For the first Heat Advisory, until 7 PM CDT this evening.For the second Heat Advisory, from 11 AM Monday to 7 PM CDTTuesday. IMPACTS: Hot temperatures and high humidity may cause heatillnesses. + Read More Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Updated: Sep 13, 5:35 PM Source: NWS Alert