Frosty Night Ahead
/Chilly high pressure is centered over Nebraska at mid-afternoon. The air is very dry with relative humidity around 30% or lower. Strong northerly winds and sinking motion ahead of the high pressure center are ushering very dry air across the Midwest.
If you would like to know how to decode the surface station model plots on the map go HERE on our website. Decoding the surface observations on the surface map below reveals current temperatures in the upper 40s and 50s in Minnesota, Iowa, Nebraska, and Wisconsin. Dew points are in the teens and low 20s. That with clear skies and diminishing winds will set the stage for frost and freezing temperatures east of the high pressure ridge from the Plains east to the Great Lakes, Ohio Valley and Mid-Atlantic States. See your local forecast at www.weather.gov.