Many people across the United States may recall the polar vortex episode of early 2014. For the Midwest, it turned out to be the coldest winter in over 30 years. In Washington, D.C., January 2014 ...

An April cold snap is expected to bring unusually cold temperatures to the eastern half of the US next week. The cold snap could impact new spring vegetation and lead to frost in some areas.

BISMARCK, N.D. (AP) — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the ... The Mount Washington Avalanche Center issued an avalanche warning Monday ...