A blizzard is a couple of giant steps above a winter storm. According to the National Weather Service, a storm officially qualifies as a blizzard when winds reach or exceed 35 mph and when the visibility drops to only a quarter mile or less. These conditions need to stay active for at least 3 hours.

The winter storm watch issued last night, set to start this afternoon, has quickly been expanded in size and upgraded to a more certain winter storm warning. The warning message now mentions near-blizzard conditions.

Major weather systems are currently affecting the residents of several American states. This article will detail the powerful gusts of wind, the temperatures that feel sub-zero, the snow that is piling up,

Several areas of the United States are under winter weather alerts, including snow, blizzards, and high winds. Here are all the details.

ABC News' Chief Meteorologist Ginger Zee reports on the blizzard warning in effect in parts of the Midwest while snow slams the I-95 corridor all the way down to Florida.

Michigan is preparing for severe winter weather, with heavy snowfall, strong winds, and dangerously low wind chills anticipated until early Tuesday. Forecasters predict near-blizzard conditions in some areas,

After a line of severe thunderstorms swept through the region — including Oklahoma tornadoes— winter weather is returning to the Texas Panhandle.

Just as Blizzard Cassie moves out of the region, another storm is moving in, likely bringing dangerous conditions.

A blizzard warning is in effect and no-travel is advised in parts of western Minnesota on Saturday as light snow and strong winds create whiteout conditions on the roads. A blizzard warning is in effect until noon in nine counties near the Minnesota-North Dakota border, covering cities including Fergus Falls, Moorhead and East Grand Forks.