National Weather Service United States Department of Commerce

Dangerous Cold Weather for Most of the Country; Rare Winter Storm for the South; Fire Weather Concerns for Southern California

Arctic air will filter south and east through early this week. As this cold air moves across the South, a rare winter storm is forecast to develop from Texas, Gulf Coast States into the Southeast through early this week. Several new daily record low temperatures are expected, including new record-low maximum temperatures. For Southern California, fire weather concerns increase this week. Read More >

Dangerous cold can be expected tonight across southern CO with Extreme Cold Warnings going into effect from 5 PM this evening through 11 AM Tuesday. Bitter cold wind chills as low as 35 below zero across the plains and valleys, and 45 below across the mountain will be likely. Take precautions to avoid prolonged exposure to the cold. Temperatures this cold can cause frostbite in under 15 minutes! #cowx
After an extremely cold start Tuesday morning...area temperatures are expected to warm significantly during the afternoon as gusty west winds help to scour out the artic air in place over the region. Temperatures will return to around average by Friday. #cowx