If you want to sweat the cold FROPA, the SPC mesoanalysis is good to follow:
https://www.spc.noaa.gov/exper/mesoanalysis/new/viewsector.php?sector=17#
Can choose either "Surface" or "Winter Weather" and see where the isotherms are packed to tell where the front is located. Based on the wind shift, it's getting close to the metros in MD/DC and a bit farther north in VA.