Ralls County

Heat Advisory issued August 30 at 12:27PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

* WHAT...Heat index values of 100 to 105 expected, with morning low temperatures of 70 to 78 degrees, for several consecutive days. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...From noon Monday to 8 PM CDT Friday. * IMPACTS...Hot temperatures and moderate humidity may cause heat illnesses.