National Weather Service United States Department of Commerce

Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

Overview

During the late afternoon of Thursday, July 7th, scattered storms developed across northern Illinois and slowly moved east-northeast.  As the storms grew, their slow movement helped to produce locally heavy rainfall.  The Doppler Radar estimated rainfall maps show the localized nature of the heavy rainfall.  In addition, there were a handful of funnel cloud reports from the storms due to large scale rotation in the atmosphere.  Concentrated storm rotation for tornadoes was not favored.
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