National Weather Service United States Department of Commerce

Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

Overview

Multiple rounds of thunderstorms impacted the region on the last day of May. Damaging winds, large hail, flooding, and 3 tornadoes were observed with this event. The first round of storms moved through southern Illinois mainly north of Route 13 and into southwest Indiana and northwest Kentucky during the morning and early afternoon hours. Widespread damaging winds were associated with this line of storms. Scattered thunderstorm development then began by mid to late afternoon, with coverage increasing as we progressed further into the evening hours. Even after midnight, storms were still ongoing mainly up in southwest Indiana. By this time flooding had become the main threat.
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