A strong storm system will track out of the Plains into the Midwest today, bringing heavy rain and potentially a few strong storms.
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It will be the first day since November 10th with temperatures ABOVE average.
An Arctic cold front is moving through the region this morning will lead to a frigid Friday.
This afternoon, winds will remain from the west and northwest, keeping temperatures running around 15º below average for mid-October.
A Heat Advisory is in effect for parts of southwest Illinois and all of southeast Missouri until 8 p.m. Wednesday as heat indices will approach 105º.
WSIL -- Chilly this morning, but dry air, sunshine, and southwest winds will bring near record warmth by this afternoon.
 A cold front is set to sweep through around midday, shifting winds back to the north and dropping temperatures
Another very frosty morning and isolated black ice is possible on bridges and rural roads.
Another very frosty morning and isolated black ice is possible on bridges and rural roads.
WSIL -- Patchy fog is possible early this morning, but otherwise fairly mild for December with temperatures in the mid 40s.