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

A fast-moving clipper is strengthening as it makes its way to the upper Midwest, triggering Winter Weather Alerts from North Dakota to New York and prompting wind gusts up to 65 mph across Nebraska, Wyoming and South Dakota.

Around 19 million people across the West and Midwest are under winter alerts as heavy snow and strong winds sweep through the regions

Snow was falling over the northern Rocky Mountains Saturday morning and it’s expected to spread into the upper Midwest.

Temperatures across Indiana are forecast to plunge into some of the coldest in the U.S., dipping well below zero as a surge of Arctic air sweeps in.

The Thanksgiving weekend storm system has brought over a foot of snow and strong winds to parts of the Midwest and thunderstorms across the South.

Editor's Note: The latest weather story for Monday, April 28 can be found here. Our original story continues below. Parts of the upper Midwest are at significant risk of a severe weather outbreak Monday, with “strong-to-intense” tornadoes and massive ...

People walk through the debris field after a tornado passed through an industrial industrial park on April 3, in Jeffersontown, Ky. The Upper Midwest faces the threat of severe thunderstorms and “strong tornado potential” Monday afternoon, with the ...