Hot and humid conditions are expected today and Tuesday. Heat index readings of 100 to 105 degrees are expected today and 105 to 115 degrees on Tuesday.
Highs in the upper 80s to lower 90s will continue today and highs in the mid to upper 90s on Tuesday. A cold front will brief a temporary relief to the heat with high temperatures falling into the 80s Wednesday into Friday.
Air quality may drop through Tuesday as smoke drifts southward toward the area. The greatest concern will be over portions of southern Illinois and southwest Indiana.
Additional showers and thunderstorms are expected Tuesday afternoon due to the passage of a stronger cold front. Some of these storms may become severe across portions of the area with damaging winds, hail and localized flooding the main concerns.