Major winter storm Thu thru Sat with heavy snow, strong winds, severe blowing/drifting snow & bitter cold. The worst conditions will develop Thu evening & continue into Fri evening when a full fledged blizzard is possible along with dangerously cold temp. #ilwx #inwx 
This is a look at impacts over space and time for the expected winter storm. Note the large footprint of this system, so travel will be impacted over much of the Upper Midwest and Great Lakes.
A significant winter storm is going to impact the region later this week. While some accumulating snow is possible during the day Thu, the most dangerous conditions, including a potential blizzard, is expected to develop Thu night & continue through Friday and Friday night.
Here is a look at some winter weather preparedness actions you can take with the threat for significant winter impacts increasing for the end of the week.
A dangerous aspect of this storm is going to be the bitter cold, including during the heavy snow & potentially blizzard conditions. Wind chills will drop to -30° as early as Friday morning. Once the snow stops later Friday, dangerous cold will continue through the weekend.
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