Severe Expected Likely Extreme Heat Warning Extreme Heat Warning issued August 12 at 3:27AM CDT until August 14 at 8:00PM CDT by NWS Kansas City/Pleasant Hill MO Aug 12, 3:27 AM → Aug 14, 8:00 PM WHAT: Dangerously hot conditions with heat index values up to 110. WHERE: Portions of east central and northeast Kansas and northcentral and west central Missouri. WHEN: Until 8 PM CDT Friday. IMPACTS: Heat related illnesses increase significantly duringextreme heat and high humidity events. + 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: Aug 12, 9:22 AM Source: NWS Alert