Heat index values could reach near 110 degrees on Wednesday.
With temperatures getting above 100 degrees, many buildings are serving as places for people to cool down from the heat.
Families look for alternative activities outside to stay cool during the heat wave.
Corn is taking a hit early this summer as temperatures have risen to the mid-90s on some days.
The March heat wave looks to be an anomaly to normal weather patterns.
Experts say extremely warm weather this season is unusual. Sunday's high is expected to be near 60 degrees.
Heavy spring rains delayed planting for a majority of the region’s corn farmers. Now, after a hot, dry summer, harvest yields are low.
Electric utility officials say energy demands are high in these days of high heat, but they are still able to keep up with that demand.
If the heatwave continues through the weekend as forecasted, it would be the longest heatwave to hit Indiana in 40 years.
Temperatures in the 90s and high humidity will produce dangerous heat index values of around 105 degrees to 110 degrees.