A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

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

Here’s the wind chill chart. Notice the four shadings, indicating how long it will take for frostbite. When we get to wind ...

Snow is the $64,000 question,” says climatologist Judah Cohen, capturing the peculiar pucker factor involved in late-winter forecasting in a single sentence: ‘People can prepare for the cold, but they ...

The January thaw has a way of making people think that coats can be left in the closet and windshield scrapers can be retired. But then the air changes and it’s sharp and metallic and serious and ...

Cold temperatures are expected to last through the end of the month — and forecasters say that there's a potential for snow ...

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

In the coming weeks, cold air will continue for parts of the U.S. thanks to the influence of the polar vortex.

The polar vortex is bringing bitter cold and snow to NJ this weekend. Here's the weather forecast, from timing to how much ...

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