National Weather Service United States Department of Commerce

Heavy Rainfall Threat The Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next couple of days and will bring heavy rain and severe weather, primarily damaging winds . Excessive rainfall may result in flash flooding in the central Great Lakes and central Appalachians. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes. Read More >

Overview

Memorial Day thunderstorms produced widespread large hail and wind damage across northern Illinois and northwest Indiana.  There were five brief EF-0 tornadoes confirmed. See this Public Information Statement for the details. 

In addition to the severe weather, heavy rainfall and flooding were reported in many locations.  With the 1.92" of rain recorded at Chicago O'Hare, this set a daily record for precipitation for May 27th, as well as making it the wettest Memorial Day on record.

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Preliminary Overview Map - Updated May 29
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