A snow squall warning is in effect until 9:45 PM EST for I-81, US-11 near Hagerstown, MD--WV--PA; US-15 near Emmitsburg, MD--PA; US-15 near Frederick, MD and US-15 near Thurmont, MD. pic.twitter.com/wBhqyBn3l9

— NWS Baltimore-Washington (@NWS_BaltWash) January 10, 2019