NOAA has posted an ‘extreme cold warning’ for the blue areas on this map.

For details from NOAA, including the timing, open the map, click a colored area and follow the link. Since the spot you clicked might have more than one type of weather watch/warning, scroll down in the popup since each type of watch or warning has its own link for the details.
#Snowstorm #IceStorm #Extremewx #WindChill

Open GISsurfer map:
https://mappingsupport.com/p2/gissurfer.php?center=33.961837,-95.625000&zoom=5&basemap=USA_basemap&overlay=State_boundary_red,Extreme_cold_warning&data=https://mappingsupport.com/p2/special_maps/disaster/USA_weather.txt