Significant winter weather for a watch means 5 or more inches of snow and/or sleet within 12 hours, or 7 inches of snow/sleet within 24 hours, or ice accumulation that could cause damage to trees and powerlines, or life-threatening combinations of snow and/or ice with wind.

On Christmas Day, the National Weather Service (NWS) announced winter weather warnings and winter storm advisories in more than a dozen states, with some expecting up to 10 inches of snow during peak Christmas travel. Travel is expected to be busy for the ...

Millions of Americans were under coastal weather alerts on Thursday amid strong winds and large waves, among other concerns.

A massive winter storm continued Sunday morning, dumping snow, sleet and freezing rain across the South and up through New England, bringing frigid temperatures, widespread power outages and treacherous road conditions.

Snow is back! Several inches here, a foot there. It can make for some dicey travel conditions on wintry, bitter cold days. Definitions for a snow emergency vary by state and county. In New York, there is not a standard of "levels" across the state but ...

A massive winter storm has dumped sleet, freezing rain and snow across much of the U.S., halting air and road traffic and sending temperatures plunging