National Weather Service United States Department of Commerce

Extreme Heat in the Central US Expands to the Southeast; Severe Weather & Flash Flooding Threats in the Plains & Upper Midwest Tonight.

Dangerous heat continues across portions of the Central and Southeast U.S. through July. Heavy rains, flooding, & severe weather are possible across the Plains & Upper Midwest to the upper Great Lakes tonight, with the heavy rain and flooding threat continuing through Friday. Tropical Depression 12W brings heavy rain to Guam & the Marianas through Saturday. Read More >

High heat and humidity will persist well into next week with triple digit heat index values each afternoon.
A Heat Advisory is in effect for Thursday in southern Indiana, and west of a line from near Frankfort to near Scottsville. Afternoon heat index values between 103 and 108 could cause heat related illnesses, especially for at-risk populations and those engaged in strenuous outdoor activity.
Forecast graphics for the 0 to 12-hour time period
Forecast graphics for the 12 to 24-hour time period.