National Weather Service United States Department of Commerce

Most of the day will be dry, and most will only see brief, light showers and thunderstorms during the afternoon and early evening hours. A few thunderstorms will be capable of producing localized heavy rainfall, although most people will not experience this.
It won't be a wash out, but there's multiple chances for showers and thunderstorms Sunday. The best time for rain will be during the afternoon and early evening, mainly east of the Mississippi River. There will be another round of showers and thunderstorms overnight into Monday.
Temperatures and humidity will increase Tuesday through at least Thursday, bringing heat back to the region. Rain chances throughout the week will bring localized, temporary relief but details on where and when this occurs are still uncertain. Wherever you go, stay cool! Wear lightweight clothes and drink plenty of water.