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 8:22:28 am CDT

With widespread afternoon heat index values from 105 to 110 and overnight low temperatures from the mid 70s to the lower 80s expected to continue through the remainder of the work week, a Heat Advisory is now in effect areawide through Friday. Take appropriate precautions to prevent heat illness. The advisory may need to be extended beyond Friday in future issuances.
Hot weather persists through this weekend and into next week. Dangerous heat index values are forecast and heat stress will impact outdoor activities.
Hot temperatures continue through the weekend with little to no chance for rainfall.
Latest Text Product Selector (Selected product opens in a new window)

Decision Support Winter Hazards Observations Climate Hydrology
 
 
Social Media Satellite Fire Weather Weather Radio Spotter Training Text Products
 
 
Models