National Weather Service United States Department of Commerce

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, May 21, 2026 at 6:56:40 am CDT

Widespread rain and isolated to scattered thunderstorms are expected Thursday, with the greatest coverage of storms during the afternoon and early evening. Severe weather is not expected, however locally heavy rainfall amounts are possible.
A slight risk for excessive rainfall will develop Thursday over much of eastern OK and western AR. Rainfall amounts of 0.5 inches to near 2 inches will be fairly common, with isolated amounts near 4 inches possible.
Radar loop from KINX (Tulsa, OK) Radar
Near daily thunderstorm chances are forecast this week and into the weekend. Cooler weather is expected through Thursday with a warming trend into next weekend.
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