With two weeks of high temperatures below freezing and nearly 30 inches of snow since January 25, winter is leaving its mark after a slow, mild start to the season.
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This relentless cold and snowy weather can be traced to a disruption of the Polar Vortex in January. A weakening of the Polar Vortex allows the bottled up cold arctic air to spill into regions farther to the south. As it goes around, Chicago -- along with much of the U.S. -- happens to be on the receiving end.
Cheryl sits down with Illinois state climatologist, Trent Ford, to dive deeper into the meaning of the Polar Vortex and its impact here in Illinois.
RELATED: What is the Polar Vortex?
What is the polar vortex?
Another round of cold and snowy weather will start this week but there are some warmer temps on the horizon.
The last major Polar Vortex was in late January 2019.