Millions of Americans should prepare for an Arctic blast that will blanket much of the country in below-freezing temperatures ...

The next wave of wicked winter weather was crashing across parts of the nation's northern tier for the seventh day.

Highest accumulations were expected east of Lake Ontario, where some isolated areas could get hit by up to 60 inches of ...

This evening, temperatures will plummet rapidly as an Arctic front moves through southern Wisconsin. By the early morning ...

Arctic air pumped from the north will plunge temperatures across parts of the U.S., with more snow and dangerous conditions ...

An Arctic blast Wednesday will bring West Michigan the coldest air since last January, and is expected to trigger lake effect ...

Snow, wind, Arctic air and wind chills below zero all expected through Thursday. Please drive safe. Get more with the FOX 17 ...

The agency says the phenomenon can occur when there's relatively strong instability – in this case, an Arctic storm front – ...