National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. 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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