The polar vortex, a mass of cold air over the Arctic, is beginning its seasonal strengthening. A strong polar vortex typically keeps the coldest air locked near the North Pole. A weaker or wobbling ...

We are looking towards next week at the possibility of Arctic air moving southward and the possibility of freezing temperatures in the Coastal Bend. One of the potential factors that could play a key ...

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Punxsutawney Phil predicted several more weeks of winter at the beginning of February and he wasn't wrong. Tennesseans may still be clearing up from the snow across the state, but they need to brace ...

DALLAS — DFW set a new daily record for coldest temperature Thursday. Temperatures dropped into the teens Wednesday and Thursday morning. While Wednesday morning's record was safe, the afternoon ...

An Arctic air mass kept its grip on much of the central and eastern U.S. on Friday, plunging temperatures to record lows as snow blanketed central Colorado and the Pacific Northwest braced for an ...

DORR, Mich. — This magical scene is a bit of a reward for enduring all the frigid temps we've had lately. Light Pillars dance across the sky near Dorr due to Artic Air settling in the area Chief ...

This winter hasn’t been kind to many parts of the country. Extreme weather in the South and a series of icy storms have battered the Midwest to the East Coast. Although storms haven’t been as harsh on ...

From left to right: Sean Cheng, Anuscheh Nawaz, Aircraft Commander Sarah Cozart and Jiaxu Zhang. A specialized plane, camera and a crew of four are in Alaska to understand the ecosystems of the Bering ...

An arctic air mass is set to sweep across Tennessee, bringing "dangerously cold" temperatures to the state. Below-freezing temps could mean melting snow could refreeze, causing hazardous road ...