The latest snowstorm has hit the Midwest hard today with a record 4.9 inches falling in Minneapolis, several inches has fallen across Chicago and Detroit. That system is spreading across the Mid-Atlantic and Northeast promising 1-3, locally 6 inches over the next 24 hours.
Here's the scene currently in Chicago this evening.
The atmosphere above Chicago was explosive during the height of this afternoon's snowfall. There were countless reports of thundersnow, an indication of strong upward motion.
Not the best of night's for travelling across the Ohio Valley, nor the Northeast.