Chicago Update:
Here is a look at preferred simulated radar guidance from 6 PM this evening through 9 AM TUE morning.
Here is a look at preferred rainfall accumulations through tomorrow morning.
Here is a look at temperatures from 2 AM Monday morning through 4 PM Tuesday afternoon. Note that temperatures continue to stay above freezing for much of the Monday. It is not until 10 PM to midnight timeframe Monday night where temperatures begin to drop below freezing and when we can begin to see some minor snowfall accumulations.
Here is a look at the preferred model snowfall accumulations through Tuesday.
We will also be dealing with some breezing conditions late Monday into Tuesday morning. Here is a look at the wind gust potential around 1 AM Tuesday morning. We could see gust as high as 40 MPH.
Winds will generally be sustained out of the west-southwest around 15 MPH. Winds will shift more out of the north into TUE afternoon. Here is a look at the sustained winds around 1 AM TUE morning.