The Norwalk area endured sweltering temperatures Thursday.
According to readings collected at the wastewater treatment plant, the Maple City hit 100 degrees on Thursday.
The National Weather Service reported the heat index was at 114 for Norwalk.
The heat index (HI) is an index that combines air temperature and relative humidity in an attempt to determine the human-perceived equivalent temperature -- how hot it feels, termed the felt air temperature, according to an online definition.
The record temperature for Thursday is 105 degree, which was set in 1930.
Just as a contrast, the record low temperature for July 21 was set in 1965 at 41 degrees.
This weekend's forecast does call for a chance of thunderstorms, with temperatures remaining in the upper 80s and lower 90s.