Heat and humidity surges Tuesday as temperatures soar to 90. The steamy weather will fuel scattered thunderstorms Wednesday. A cold front slides through midday Wednesday, that's key because storms will develop around noon and push southward by mid-afternoon. There is the chance of severe weather but it's most likely that threat is across central Indiana in the afternoon. Thursday is fair, Friday another chance of midday storms then a sunny summer weekend.

Tonight: Mostly clear. Low 62.

Tuesday: Hot and humid. High 90.

Wednesday: Scattered midday storms. High 84.

Thursday: Mostly sunny. High 82.