Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf Coast area.
The Pacific Northwest, Midwest and Northeast are expected to face above-average precipitation, according to NOAA. States with a higher chance of increased precipitation between November and January include Washington, Oregon, Idaho, Montana, Wisconsin, Michigan, Illinois, Indiana, Ohio, Pennsylvania and New York.
Bitterly cold air that originated in Siberia will arrive in the U.S. in the coming days, resulting in dangerously cold wind chills for millions of Americans.
A polar vortex is expected to cause temperatures to fall below freezing across most of the United States starting this weekend. According to the National Weather Service, bitter cold will spread across a majority of the country as Arctic air moves across the Rockies and Great Plains on Friday,