Cobb and north Georgia are under a freeze warning from 9 p.m. Wednesday through 10 a.m. Thursday, according to the National Weather Service in Peachtree City. After some overnight rain, blustery weather conditions are persisting,

A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of Europe into a bitterly cold spell just days before the official arrival of spring.

The United States has been at the epicenter of the planet’s most unusually cold conditions early in 2025. The polar vortex is to blame.

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, bringing severe cold temperatures across parts of Canada and the United States. It may also impact the UK and Europe.

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here’s why it keeps happening.

Month-to-date temperature analysis shows that February 2025 has been the coldest in the U.S. has seen in 15 years. In 2010, the temperature anomaly was 4.1° below average. Currently, February's average temperature across the U.S. is 3.8° below average.

The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most unusually cold place on the planet, at least so far this year.