Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

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.

Snowflakes vary by size and shape but exactly how many different patterns are there and what weather features influence their appearance?

Temperatures on Thursday and Friday will be 20 to 35 degrees below average, leading to at least 100 more record-cold lows.

Extreme cold warnings and cold weather advisories span the northern Plains and upper Midwest down to central Texas. "Some of the harshest conditions of the winter will be felt in the upcoming five ...