Thursday, December 23, 2010

Winter Weather Advisory

A Winter Weather Advisory will go into effect for Stephenson, Jo Daviess, Carroll and Whiteside Counties beginning midnight tonight and lasting through Friday evening.

Locally dense fog will continue through the morning and leave us with clouds later this afternoon.  A storm system currently in the west will continue to gain strength as it moves through the Plains later today.  While the main surface low will sit well south of the Stateline an upper level disturbance combined with warm air will lead to our snowfall beginning later tonight and lasting through Friday afternoon.  As it has been the past couple of snow storms, it looks like the heaviest band will set up from southern Minnesota, Iowa and through northwest Illinois.  Some locations there could end up closer to 6".  We could end up with 3"- 6" of snowfall with locally higher amounts to the west and lighter amounts to the east by Friday evening.

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