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 >

Balloons are released by NWS Flagstaff meteorologists twice a day (around 4am and 4pm) to measure the pressure, temperature, dewpoint, and winds through the atmosphere. For more information about the NWS upper-air program and to learn how to read the plot below, click here.

Click here to view upper-air soundings from other areas around the continental United States.


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