Moderate to major winter storm impacts are forecast across a dozen states as the polar vortex fuels cold, snowy conditions.

Dangerous, record-cold temperatures are forecast for big swaths of the United States this week, with wind chills in the Plains states expected to plunge to 60 below zero. Some areas could be ...

As this weather event winds down, the first of the next series of winter storms will begin in the Plains states Monday, dumping heavy snow on parts of the North and sleet and rain further south.

Heavy rains and dangerous flooding struck the Southeast U.S. as much of the East endured a renewed round of harsh, soggy ...

Both of the states were under flood warnings ... Snow and arctic temperatures swept much of the Midwest and Upper Plains, covering roads in eastern Nebraska, northern Iowa and much of Wisconsin.

Heavy rains and dangerous flooding have struck the Southeast U.S. as much of the East endured a renewed round of harsh, soggy ...