According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

The region enacts cold weather measures when temperatures dip to -15 C or it feels like -20 C with the wind chill.

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures ...

The Baltimore City Health Department has declared a "Code Blue" for the next three days, as temperatures plummet into the single digits in the region in the wake of the weekend snow. The determination ...

Brisk winds with gusts of 25-30 mph will make conditions even colder, bringing wind chills down to single digits and below zero. Authorities are warning drivers to use “extreme caution” on the roads.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...