National Weather Service United States Department of Commerce

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Cool weather is expected to continue over the next several days, with highs rising from the low to mid 70s Friday to the mid 70s to low 80s by Saturday. Shower chances will also continue to increase through the end of the week, with the greatest chances for measurable rainfall Saturday night.
Here is a preliminary summary of Wednesday's severe and flash flood event.