There is the potential for roadway and airport delays during the midday hours Friday due to downpours in the area.
While the storms will be random with hit-and-miss fashion, they have the potential to cause poor visibility for a short time, as well as flash and urban flooding.
Commuters outside of the immediate Washington, D.C., area can also be affected over the I-66, I-70 and I-95 corridors.
Part of the same system heading into the Washington, D.C., area early Friday brought more than 900 flight delays to the Chicago area Thursday. The state of the system Friday is not as intense as it was Thursday over the Midwest. However, it was producing flooding on roadways in some of the southern suburbs of Pittsburgh to start the day.
Showers and thunderstorms will affect parts of the mid-Atlantic states on Friday as a push of cooler and less humid air sags southward.
During the afternoon and evening, the storms and their downpours will tend to settle over southern Virginia and North Carolina.
In the wake of the front pushing southward, temperatures will trend from slightly above-average to slightly below-average for a couple of days, Saturday and Sunday. Warm and humid air will build back next week.
Snow removal equipment and manpower are ready for the Super Bowl on Feb. 2, if wintry weather hits the region around MetLife Stadium.
Thunderstorms in parts of the South this weekend may become strong enough to threaten lives and property.
A storm brought heavy snow and travel headaches across the Northeast on Tuesday.
Warm air is forecast to surge into much of the eastern half of the nation by the weekend and will be accompanied by heavy rain and flooding risk in some locations.
On this week's edition of AccuWeather LIVE, we'll take a look at an upcoming winter storm and how it may affect holiday travel.
Detroit will get a break from snow toward the end of the week as milder air arrives for the city.
Philadelphia, PA (1948)
7.4" of snow - Eagles beat Chicago Cardinals 7-0 for NFL title.
Lancaster, CA (1984)
Ended up with about a foot of snow. One spot in Kern County (North of LA) had 19" of snow.
Philadelphia, PA (1991)
High of 30 degrees; only 5th day in 1991 with a high below freezing.