* WHAT...Dangerously hot conditions with daytime heat index values up to 106 degrees each day through Wednesday, with overnight heat index values each night in the upper 70s.
* WHERE...Portions of east central, south central, and southeast Wisconsin.
* WHEN...Until 7 PM CDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...Heat index values along Lake Michigan will be a few degrees cooler, but still expecting high heat index values immediately inland.