A harsh drop in temperatures is being delivered to the eastern two thirds of the country thanks to a polar vortex dipping ...

Meteorologists forecast an over 20-degree drop in temperature below normal across the Eastern United States, and freezing ...

More than 84 million are under winter weather bulletins with several states expected to see lows 10 to 25 degrees below ...

CHICAGO — The polar vortex is back and the forecasts are dire: A quick punch of snow, followed almost immediately by a life-threatening level of cold that a generation of Midwesterners has never ...

Temperatures have noticeably cooled down in much of Illinois in recent weeks, with the first frost expected to hit northern areas soon if it hasn't already. As Illinois residents start to prep for the ...

New York City could see its first snow of the season on Tuesday as a powerful polar vortex sweeps across the eastern half of ...

CHICAGO (WLS) -- Polar Vortex? Not quite, but Chicago weather is on pace for a cool down next week. "The jet stream will be buckling unusually far south for mid-July, allowing a cross polar flow of ...

The Arctic blast will be more typical of early December in the Berkshires, with nighttime snow showers Monday through ...

Utilities ETFs may heat up this winter as a potentially harsh season drives up energy demand and electricity prices across key global markets.

CHICAGO (WLS) -- "Polar Vortex" is a dreaded term that we all have become accustomed too over the past few years. But what is it? The polar vortex is always present in the Arctic Circle. It is a broad ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...