More than 18 million people are under winter weather alerts across the West and Midwest as storms are forecast to bring heavy ...

Snow, high winds and below-average temperatures are sweeping from the Rockies to the Midwest, while an atmospheric river threatens flooding in the Pacific Northwest.

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

The blast of frigid temperatures follows days of snowy, icy conditions across much of the country. It's bringing the coldest ...