The northern United States is feeling quite a change this week! An exceptionally cold air mass will dip south, dropping temperatures well-below zero in many cases. The mercury this morning (Tuesday) is already 10 to 30 degrees colder in the Northern Plains than 24 hours ago.
![](https://media.weathernationtv.com/app/uploads/2019/12/24-hr.png)
Duluth is already feeling the cold air. Temperatures will continue to drop further into Wednesday, before a rebound later this week.
![](https://media.weathernationtv.com/app/uploads/2019/12/dlh-1.png)
Chicago has also seen temperatures tumble. After a high near 50 Monday, temperatures will only be in the 20s today (Tuesday). This doesn't even take into consideration the
wind chill. Are you shivering yet?
![](https://media.weathernationtv.com/app/uploads/2019/12/chi.png)
The cold air won't stop there. Folks will feel the chill far and wide today (Tuesday). Temperatures are more than 20 degrees colder than average in parts of the Midwest.
![](https://media.weathernationtv.com/app/uploads/2019/12/highs-E.png)
Lows by Wednesday morning will fall into the 20s all the way south into Arkansas and Tennessee.
![](https://media.weathernationtv.com/app/uploads/2019/12/e-lows.png)
This cold air will meet up with some moisture across the Southeast. That could support snow in some places into Wednesday morning.
![](https://media.weathernationtv.com/app/uploads/2019/12/snow-1.png)
Stay warm! Be sure to download the WeatherNation app on your smart phone to get your local forecast on the go!