Widespread showers and thunderstorms — some of which could turn severe on Tuesday and Wednesday — will stretch across the northern Plains to the East Coast.  

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Hail, damaging winds and isolated tornadoes will be possible, while heavy rainfall could cause flash flooding in some areas.

Midwest,East Coast storm projection map

Severe storms threaten areas from the Plains to the East Coast (Credit: Fox News)

The summer heat and humidity continue prompting heat advisories from the Missouri Valley to the Mid-Mississippi Valley and Mid-South through Wednesday. 

Map of U.S. potential rainfall

The U.S. rain forecast through Sunday (Credit: Fox News)

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The combination will make it feel like it is over 100 degrees Fahrenheit there.