Monday, May 31, 2010

A Cool Front Shifts East Across the Area

A weak cool front is moving across northern Illiniois this morning.  Several areas of showers and thunderstorms have developed in the viscinity of the front.  A severe thunderstorm with large hail moved across Green and Rock counties early this morning.  A heavy thunderstorm formed just east of Rockford and moved across Boone into McHenry county between 8 am and 9 am this morning.  Another area of strong thunderstorms with severe weather moved into Bureau county around 10:30 am and diminished to below severe levels. That area will pass south of Rockford during the noon hour. So, it appears as if the showers and thunderstorms are over for northwestern Illinois, and are over for most of north central Illinois close to the Wisconsin border.  Drier air is moving in behind the front, and the clouds will break up during the afternoon.  High pressure will move into the Stateline from the northern plains tonight making for mostly clear skies, and cooler temperatures down into the upper 50's.  Tuesday will be mostly sunny and warmer with highs rebounding back up into the middle 80's.  A thunderstorm complex is expected to develop over northwestern Iowa on Tuesday afternoon.  That complex will move eastward, and may reach parts of norhtern Illinois during the ovenight hours on Tuesday night.  The threat of more storms will continue off and on Wednesday into Thursday as fronts continue to waver back and forth across the area.
By Meteorologist
Eric Nefstead

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