Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

La Niña is expected to end by spring, and a potential El Niño could develop by the fall, bringing big changes to Texas ...

Ben Gelber, a meteorologist for NBC4 in Columbus, Ohio, and a Pocono native, said the polar vortex is a large, circular pool ...

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march ...

A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

We’ve got two storm systems that’ll bring impactful weather to the Stateline, with the first arriving Thursday and the second ...

First, instead of moving storms quickly eastward, the sluggish jet stream stalled storm systems in place, causing prolonged ...

New Mexico swung from its hottest December on record to a snowpacked January, as a polar jet stream storm delivered up to 8 ...

(The Conversation) – The summer of 2025 brought unprecedented flash flooding across the U.S., with the central and eastern regions hit particularly hard. These storms claimed hundreds of lives across ...