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Cold Front Dropping South Across the Western U.S.; Watching Threat for Tornadoes and Flooding in the South

A cold front will push south across the Western U.S. into Tuesday with mountain snow and areas of gusty to high winds. An area of low pressure will form along this front on Tuesday and bring a potential for severe thunderstorms with tornadoes and excessive rainfall in the lower to mid Mississippi River Valley. To the north, heavy snow is possible in parts of the upper Midwest. Read More >


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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