As snow blankets a broadening swath of the US, the National Weather Service remains constrained by a severe staffing shortage ...

Atmospheric rivers are a "long, narrow region in the atmosphere—like rivers in the sky—that transport most of the water vapor ...

Forecasters have said parts of the U.S. can expect frigid temperatures in December. A first round has arrived, and more cold air could be coming.

Snow descended on the Colorado Springs area late Tuesday and into Wednesday, forcing the closure of many schools. The National Weather Service in Pueblo has a winter weather advisory in effect until 8 ...