LOCK AND DAM MISSISSIPPI RIVER

NOHRSC CANM7

HEAT ADVISORY
* WHAT...Heat index values up to 106. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Today, A slight chance of showers and thunderstorms between 8am and 11am. Partly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tomorrow, A slight chance of showers and thunderstorms between 8am and 11am. Partly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.