National Weather Service United States Department of Commerce


Thunderstorms developed during the late morning and early afternoon across a zone just south of I-80 in northern Illinois and northwest Indiana and persisted for several hours.  An extremely moist environment set the stage for very heavy rainfall rates.  In addition, storms were moving slow and training over the same areas.  This brought about flash flooding due to rainfall amounts estimated at three plus inches, and possibly near six, in some locations.  The hardest hit communities were Braceville and Odell in northern Illinois, and in Indiana near the town of Hebron experienced very heavy rainfall.

Radar Estimated Rainfall
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