1-9-20 Tovar Chicago N: Scattered rain showers work in today, latest thoughts on precip type & accumulation through the weekend.V.

Today’s Video:

Much of the Chicago metro area is currently under a flood watch as heavy rain is expected this weekend.  

Large spread in low pressure tracks leads to a high level of uncertainty in the forecast.  The image below shows different modeled low tracks on Saturday evening.  The spread extends from western Illinois to eastern Ohio.

Preferred simulated radar guidance from 8 AM today through 12 PM Saturday.

Here is a look at simulated radar guidance from 12 PM Saturday through 6 AM Sunday.  

Here is a look at temperatures from 12 PM Saturday through 6 AM Sunday.  Temperatures begin to crash late Saturday into early Sunday.

Here is a look at the current preferred snowfall amounts out through Sunday.  The image below shows a blend of several different model solutions.  With this much uncertainty this far out, this is a good approach.

Here is a look at preferred rainfall amounts with this system.

Wind forecast guidance over the next 4 days:

Temperature Chart: