Moderate Expected Likely Heat Advisory Heat Advisory issued June 9 at 3:14PM CDT until June 9 at 9:00PM CDT by NWS Des Moines IA Jun 9, 3:14 PM → Jun 9, 9:00 PM WHAT: Heat index values up to 105. WHERE: Portions of central, south central, and southeast Iowa. WHEN: Until 9 PM CDT this evening. 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: Jun 9, 7:28 PM Source: NWS Alert