First day of winter is December 21: The science behind the winter solstice

Winter officially begins in the Northern Hemisphere on Dec. 21 with the winter solstice, the day with the least amount of possible daylight and the longest night.

This is the best time to travel for Christmas to avoid winter storm cancellations, delays

A major winter storm is expected to produce damaging winds and drop feet of snow in many locations this week, and with the Christmas holiday travel season in full effect, the timing couldn’t be worse.

Wind chills as low as -40 to -60 as dangerous blast of arctic air to tighten its grip on large part of US

Wednesday morning will see temperatures drop below freezing across much of the Midwest, even stretching as far south as Texas. In the Northern Plains, freezing temperatures will be as far as 50 degrees away with temperatures approaching minus 20 or colder.

Watch: Saint Bernard engulfed by lake-effect snowfall in New York

As of Monday morning, the National Weather Service had recorded 37 inches of snow in Osceola, which is just east of Lake Ontario.

Bucks, Montco residents prep for first wintry conditions of the season

The first taste of winter for the season saw residents in Bucks and Montgomery counties out and about, shopping for supplies to keep them safe on the roadways.

Bucks, Montco residents prep for first wintery conditions of the season
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The first taste of winter for the season saw residents in Bucks and Montgomery counties out and about, shopping for supplies to keep them safe on the roadways.

White Christmas in Philadelphia? Here’s just how rare an occurrence that is

Dreaming of a white Christmas in Philadelphia? Unfortunately, it's been quite rare over the last several decades. Here's what you need to know.

Historic lake-effect snowstorm creates whiteout conditions in western New York

Now, surpassing 4 feet in areas near Buffalo, the enormous lake-effect snowstorm is producing a winter weather bingo from snow squalls to thundersnow.

NY declares state of emergency in 11 counties as massive snowstorm hits

Buffalo could see 4 feet of snow from a major snowstorm that will take place through Sunday. The forecast prompted the NFL to move Sunday's Bills-Browns game to Detroit.

The best ways to shovel snow and stay safe doing it

The painful task of shoveling your driveway, sidewalks, and stairs can be easier if you know how to do it properly.

'Crippling' lake-effect snowstorm expected to bury Buffalo, New York, in up to 4 feet of snow

A long-duration lake-effect snowstorm is expected to bury parts of western and northern New York, including the cities of Buffalo and Watertown, in up to 4 feet of snow into this weekend.

Shoveling tips: How to clear your driveway so you don't get icy wall from snow plow

Here are tips so you don't end up with a wall of chunky, icy snow at the end of your driveway when the snowplow passes – inevitably right after you head inside from shoveling.

'Paralyzing' lake-effect snowstorm expected to bury Buffalo, New York, under up to 3 feet of snow

A long-duration lake-effect snowstorm is expected to bury parts of western and northern New York, including the cities of Buffalo and Watertown, under up to 3 feet of snow into this weekend.

How bad will winter be? NOAA predicts La Nina will play role in season's weather for 3rd straight year

NOAA predicts drier-than-average conditions across the South with wetter-than-average conditions for areas of the Ohio Valley, Great Lakes, northern Rockies and Pacific Northwest, all of which are very typical for the La Niña pattern.