A fast-moving storm system will produce light snow over parts of the Midwest and Ohio Valley on Monday. Heavy snow is possible over parts of West Virginia. The system will move to the Mid-Atlantic by Tuesday. Meanwhile, temperatures will be 10-15 degrees below normal across the Upper Midwest and Great Lakes on Monday. This image was taken by the NASA/NOAA Suomi NPP satellite's VIIRS instrument around 1840Z on February 4, 2013. |