http://www.wtop.com/
this is the local all news station, and probably a good place to look for closings.
for flight info
http://www.mwaa.com/
outer fringes of the storm is scheduled to arrive at 0300-0330 on oct 28.(sunday). winds during the day will be up to 40 mph from the north. tomorrow(monday) weather forecast is 75 mph winds from the west.