Monday, July 10, 2017

Monday Evening Weather Update

6:45pm Update: The Severe Thunderstorm Watch has been cancelled for all highlighted counties.  While an isolated thunderstorm or two will remain possible through the evening for our southern counties, the severe threat is mostly over central Illinois.

Gusty winds and heavy rainfall started the day off Monday.  And for some Monday evening that's how it'll end.  A Severe Thunderstorm Watch has been issued for Carroll, Whiteside, Ogle, Lee and DeKalb counties until 11pm this evening.

A weak area of low pressure is passing through northern Illinois and this has caused thunderstorms to develop ahead and to the south of the low.  There have been a few spotty showers and isolated thunderstorms that have formed over Ogle and DeKalb counties, but the bigger thunderstorms are currently outside of the immediate viewing area.  And I do believe that's where the majority of these thunderstorms will continue to develop.  While an isolated storm or two can't be ruled out, most of the severe weather will likely occur closer to central and east-central Illinois and northern Indiana.  Areas located south of the white line have the greatest potential for thunderstorm develop this evening.

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