A strong cold front will usher in much colder air slated to arrive Thursday and Friday depending on where you live. High temperatures will struggle to hit the freezing mark in areas such as the Upper Midwest and Great Lakes.
Breakdown
- A large trough brings moisture into cold air, causing snow. 1s
- Temperatures will drop significantly behind the low pressure system. 7s
- Frigid air moves in as the system shifts east. 12s
- 193 million people will see below-average temperatures. 17s
- 164 million remain below average through the weekend. 20s