WB 18Z GFS at Sunday 1am; seems like the GFS is still trying to figure out exactly where the low will be. IF, a Big IF, the 983 MB low position is close to the final solution, and it consolidates there, would expect more snow inland.
NWS for Saturday night in Frederick area:
Saturday Night
A chance of snow. Mostly cloudy, with a low around 11. Chance of precipitation is
DC
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 19. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 40%.