Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.

The last week of January is starting in mild conditions. This winter will remain mild into February due to a strong polar ...

Temperatures thaw above 32 degrees Monday for the first time since Jan. 17, and we may hit 40 on Tuesday and again on Friday. Snow chances have evaporated for the upcoming weekend ...

The wild January weather across the US is expected to continue this week with forecasts for heavy rain in southern states, after a surge of Arctic air that spilled southward and delivered rare record ...

After a weeklong deep freeze in North Jersey, the temperatures will rise Sunday to about 40 degrees and will get into the mid ...

The Baltimore region is finally getting a break from the cold weather. Sunday is expected to be cloudy with a high near 42, the National Weather Service said. [Get the latest weathercast from FOX45 ...

Some 750 people took part in the Courage Polar Bear Dip in Oakville., Ont., just west of Toronto on Wednesday. Aiden Peel, who travelled more than 100 kilometres from Innisfil, Ont., to take the ...