The coldest nights of the winter to date are forecast for this week in the Tri-Cities by the National Weather Service. Arctic air moving into Eastern Washington will drop the low to 11 degrees Tuesday ...

An arctic blast is bringing below-average temperatures to Minnesota this week. Expect a cloudy and cold day in the Twin ...

Frigid arctic air will descend from Canada into the U.S. early next week. Wind chills will make temperatures feel as low as 40 degrees below zero in some spots across the Northern Plains, leading to ...