As winter weather is expected to hit the DMV Sunday, officials announced that the northern section of the George Washington Memorial Parkway will close Sunday morning. The closure, which will take effect at 6 a.

The National Transportation Safety Board is an independent federal agency tasked with examining serious transport-related accidents.

A deadly midair collision between an American Airlines jet and an Army helicopter near the nation’s capital is bringing renewed focus on the federal agency charged with investigating aviation disaster

-The high today is expected to be about 50 degrees. "A low-pressure system approaches overnight with increasing rain chances," weather.com senior meteorologist Chris Dolce said. "Rain continues much of Friday with a high in the mid-50s, then the weekend dries out again."

Have you ever looked back at photos taken with your early cell phones? Chances are they are kind of blurry and of low quality.

A collision between an American Airlines passenger jet and an Army helicopter near Washington, D.C., that killed 67 people brought renewed focus on the federal agency charged with investigating aviation disasters.

RELATED: Weather Impact Alert for rain Friday in the DMV After a rainy Friday, the weekend looks pleasant. There will be unseasonably mild temperatures in the upper 40s and low 50s Saturday but Sunday will be a bit chillier. Both days will remain dry, giving you a chance to enjoy even more outdoor time.

The best chances for lowland snow will be from Snohomish County northward to the Canadian border.

Here's a breakdown of when these weather patterns will impact western Washington.

Tonight: Heaviest showers should end by mid-evening and final showers should exit around midnight or so. Winds calm as the cold front moves through, but gusts from the northwest near 25 mph may return before dawn. Temperatures may only make it down to the upper 30s to mid-40s. Confidence: Medium

Investigators from the Federal Aviation Administration will join the NTSB-led investigation of Wednesday night’s midair collision between an American Airlines passenger jet and a military helicopter near Reagan Washington National Airport.

There are many questions online about how the fatal crash between a passenger jet and Army helicopter. Here’s what we can VERIFY so far.