National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 12, 2026 at 5:48:36 pm MDT

After quite a long stretch without precipitation across most of the region, the transition to a briefly cooler stretch with precipitation arrives Wednesday. Showers and thunderstorms will be capable of briefly heavy rain, gusty winds, and lightning.
A stretch of cooler temperatures with precipitation will begin to move in during the day Wednesday, persisting through at least Friday night. Here is the probability of receiving a half an inch of rain from Wednesday evening through Friday afternoon.
Cooler temperatures will begin to move in Wednesday. These cooler temperatures last through Friday, with showers and thunderstorms around at times. Temperatures trend back closer to normal by the end of the weekend.

 

Text Product Selector (Selected product opens in current window)