National Weather Service United States Department of Commerce

Rare Southern U.S. Winter Storm; Dangerous Cold Weather For Much of the Eastern U.S.; Critical Fire Weather for Southern California

A rare winter storm impacting the Southern U.S. will move offshore Wednesday morning. Behind the storm, arctic air will continue encompassing the eastern two-thirds of the Nation with only a slow return to normal temperatures expected by the end of the week. Moderate to strong Santa Ana winds and low humidity will maintain Critical fire weather conditions in southern California into Thursday. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, Jan 21, 2025 at 9:42:13 pm MST

A short wave Friday will allow light, dry snow through the morning. With well developed cold pools in valleys, western MT valleys may receive slightly higher amounts due to the depth of the dendritic layer.
High valleys and mountains have warmed today and will remain that way through Friday. Saturday as high pressure settles over the region, cold temperatures return with the potential of wind chills below zero along the Continental Divide.

 

Text Product Selector (Selected product opens in current window)