The coldest air of the season will descend across the U.S. this weekend and early next week, bringing subzero wind chills ...

The Midwest and Northeast will be hit with wind gusts up to 50 miles per hour next week amid freezing temperatures, affecting 18 states ... according to a forecast map by AccuWeather.

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.