I have lived in the DC area on and off since 1965 (plus 10 years near Munich and 10 years in NH) and the way the folks here react to snow is a hoot. "White Death from Sky"! Just watch the news and the "reporters" showing you 1/4" of stuff on the sidewalk, stores being looted of milk and bread, etc.

When it does snow, I park it and take the bus/Metro or sleep in. The last four years we haven't even had a winter to speak of. Save your money.

Regards,
-stephen