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 ...

A bitter blast of Arctic air – which is related to the polar vortex – is roaring south across the central U.S. Tuesday, bringing with it record-cold temperatures and "dangerously" low wind chills.

The forecast from FOX 17 Meteorologist Kara James: Arctic air is still gripping the region, with another night of single digit lows and sub-zero wind chills expected. Scattered lake effect snow ...

Arctic air remains into Saturday after a warm start to the week gave way to bitter cold, sending the mercury into the 20s midweek and bringing wind chill levels in the single-digits in some areas.