Heat warning extended before strong storms bring relief

The past two days have been the hottest Milwaukee has felt for a long time. On Saturday the peak heat index values were hotter than they were Friday in the upper 100s. Milwaukee reached a steamy feels like temperature of 109° with a dew point of 78° and local spots were much higher.

Despite the hot and humid weather we have stayed below record levels set during a very hot streak in 1931. The records for both Friday and Saturday were 100° and Sunday's is 99°. 

After another warm night heat index values are once again expected to be hot on Sunday afternoon reaching over 100°

Because of the prolonged heat the excessive heat warning for Milwaukee, Waukesha, Walworth, Racine and Kenosha Counties has been extended until 4 p.m. on Sunday. The heat advisory and warning for the rest of the viewing area will expire at 10 p.m. Saturday night.

A cold front will push across Wisconsin Sunday afternoon and evening bringing a chance for thunderstorms. 

With all the heat and humidity destabilizing the atmosphere, strong to severe storms are definitely possible and all of southeast Wisconsin has been placed in the slight risk for severe weather. 

The main threats with any severe storms would be damaging wind with some hail and heavy rain also possible. Timing is best between 2-7 7 p.m. as storms move west to east across the area.

Monday is a much more comfortable day with dew points in the low 60s and temperatures in the low 80s. But, the heat returns quickly with Tuesday, Wednesday and Thursday closing in on 90°. The Fourth of July looks warm and dry with a high of 89°. Download the CBS 58 Ready Weather app to track the forecast, see the temps and get alerts when warnings are issued.

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