National Weather Service United States Department of Commerce

Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through the day. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. 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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