Alerts for cold weather are in effect for nearly half of the U.S. population, running from the northern Plains to the Gulf ...

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

The coldest air of the season will descend across the U.S. this weekend and early next week, bringing subzero wind chills ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

Forecasters are warning about a winter storm expected to bring heavy snow and dangerous ice from the Central Plains to the ...

December is typically a drier time of year for the Upper Midwest and Northern ... 48 states. Elevated above-normal precipitation probabilities are forecast for the Pacific Northwest, Great Plains ...

States west of the Mississippi River have the highest probability of seeing above-average temperatures next week. The northern Plains states have a 90%-100% chance of warmer-than-normal Christmas ...

A 'life-threatening' Arctic blast is set to sweep through the US from today, according to the latest weather maps.

The first significant winter storm of the year is endangering a 2,100-mile swath of the country from the Northwest and Plains through the mid-Atlantic and East Coast, bringing a multitude of life-thre ...

WE’LL BE WATCHING FOR A LITTLE BIT OF SNOW TOO, SO WE’LL A weakening of the polar vortex could lead to a prolonged period of intense cold for parts of the United States during the first half ...

In its wake, frigid air was surging south across the Plains ... map shows how much snow fell Monday vs. how much the Capital ...