June 24, 2015 5:30 pm WATCH: NBC News Coverage of 1974 Crash Near Mt. Weather Mt. Weather’s existence remained a secret to all but top federal officials until TWA Flight 514 crashed in close proximity to the site in December 1974. Local 21:25 Snow moving out, now we prep for the freeze: The News4 Rundown 3:58 Prince George's County residents face major snowstorm 2:31 Fairfax County residents make most of snow day with happy hour, cycling 3:51 Snow day fun: Snow Stick Challenge and sledding with Erika Gonzalez's family 2:44 DC snowball fight draws massive crowd to Meridian Hill Park
