A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

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

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

The weather flow is gradually changing now and as we head into early February. Our storm systems will come from the west and ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

A storm will bring heavy snow, particularly to southern Nebraska and southwest Iowa, with sharp variations in snowfall totals ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

However, there are times in which the polar vortex is disrupted by influxes of warm air. When strong atmospheric waves in the troposphere, the layer in which we live, breach the stratosphere ...

The latest monthly temperature outlook by the National Weather Service's Climate Prediction Center looks familiar to those ...

Arctic winds from a powerful polar vortex are sweeping across several states, bringing dangerously cold temperatures and severe weather conditions. It comes as the U.S. is potentially set to see ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...