It's a cold air outbreak that some experts say is happening more frequently, and paradoxically, because of a warming world.
Millions in the U.S. were hit by a major winter storm that created dangerous conditions from the Central Plains to the East Coast.
In the Chicago area, the National Weather Service was predicting lake effect snow leading to hazardous road conditions throughout the day on Monday, including during the morning and evening commute.
Road conditions began deteriorating Sunday in several Midwest states, with forecasts calling for harsh winter conditions to ...
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Winter storm creates blizzard conditions in Central Plains as millions face snow, ice or heavy rain: Live updates - The storm ...
A blast of snow, ice, wind and plunging temperatures stirred up dangerous travel conditions in parts of the central U.S. on ...
Millions should prepare for disrupted travel and winter conditions as a fierce storm is set to bring ice, snow and freezing ...