Moderate Expected Likely Heat Advisory Heat Advisory issued September 1 at 4:36AM EDT until September 3 at 8:00PM EDT by NWS Indianapolis IN Sep 1, 2:00 PM → Sep 3, 8:00 PM WHAT: Peak heat index values up to 105 are expected each afternoonwith limited relief from the heat and humidity overnight. WHERE: All of central Indiana. WHEN: From 2 PM this afternoon to 8 PM EDT Thursday. IMPACTS: Hot temperatures and high humidity may cause heatillnesses. + Read More Drink plenty of fluids, limit time outdoors, and check up on relatives and neighbors. Updated: Sep 1, 10:52 AM Source: NWS Alert