National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Overview

During the day Wednesday, May 22, a warm front lifted across northern Illinois and Indiana ushering in much warmer and more humid air than was in place during the previous two days. By the evening, an approaching cold front and upper level disturbances were able to tap into this warm and humid airmass to support the development of thunderstorms. Strong winds aloft helped some of these storms become organized into supercells and bowing lines, which both are excellent at producing wind damage and even tornadoes. During the late evening, the Storm Prediction Center issued a Tornado Watch for portions of northern Illinois and northwest Indiana, at the far northeastern end of a broad area of severe storms stretching across the Midwest. Fortunately for the local area the tornado threat did not become widespread, but both Tornado Warnings and Severe Thunderstorm Warnings were issued during the overnight hours. Multiple reports of wind damage were received.  

Radar image for May 22-23, 2019
Preliminary Storm Reports
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