If we don't get measurable snow today at the airports, barring the 6th, we'll have to wait until late Feb at the earliest to have a chance which would break the records at all airports.
2-23-1973: 0.1" DCA
2-21-1973: 1.2" BWI
1-27-2009: 2.0" IAD(already broken by 4 days and counting)