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Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Overview

Widespread thunderstorms developed south of a line from Fairfield Iowa to Sterling Rock Falls Friday afternoon and evening.  These storms moved eastward across the area throughout the evening and overnight hours.  These storms produced heavy rainfall, flashing flooding, and hail up to the size of golf balls.

Rain reports south of this line ranged from 1 to 6 inches, with the heaviest rains falling in from Clark County northeastward into Hancock Counties and from Henry County Illinois eastward into Bureau and Putnam Counties.

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WPC Surface Fronts / Pressure 1 pm 9/27
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