There is the potential for locally gusty thunderstorms to affect portions of Ohio, Pennsylvania, West Virginia, Maryland, Virginia and upstate New York for a time Friday night and then areas farther east on Saturday.
The storms will bring a risk of damaging wind gusts, hail, blinding downpours and flash flooding to a few locations.
A disturbance will track east-northeastward from the Midwest, along a slowly advancing cool front. The disturbance will raise the intensity of thunderstorms along the frontal zone.
Part of the I-68, I-70, I-79, I-80, I-81 corridors will be impacted Friday with the risk of significant travel delays.
Cities in the general area that may experience strong thunderstorms during Friday include Youngstown, Ohio, Hagerstown, Md., Pittsburgh, State College, Williamsport and Harrisburg, Pa., Morgantown, and Martinsburg, W.Va., and Elmira and Binghamton, N.Y.
During Saturday, the risk of locally damaging thunderstorms will shift to part of the I-95 corridor from Raleigh, N.C., Philadelphia and New York City.
In areas that have received heavy rain recently, there is an elevated risk of flash and small stream flooding.
Part of the I-81 overpass near Harrisburg, Pa. was destroyed by an accident and fire Thursday evening, causing traffic to be rerouted. Storms in the vicinity from Friday evening into Saturday will add to traffic woes in the area.
Springlike warmth will pour from the Plains to the East over the next few days before another winter storm unfolds at midweek.
The same system responsible for bringing rain to the Northwest over the weekend will deliver snow to the Rockies and Plains for the start of this week.
Although spring is on the horizon, the detrimental impacts of this year's harsh winter still loom as threats for roof collapses continue.
Despite a springlike start to the week, winter and substantial snow will make a comeback across the Midwest and Northeast at midweek.
Philadelphia will continue to experience a taste of spring before colder air and a winter storm arrive at midweek.
New York City will continue to experience a taste of spring before winter makes a comeback at midweek.
Record warmth in more than 3 dozen cities. 75-80 degree readings north all the way to Washington, D.C. 70-75 degree readings all the way to the Chicago area.
New England/ New York (1959)
20" of snow; blizzard conditions, transportation paralyzed.
Record cold outbreak... 30 degree readings all the way to Southern Louisiana; 40-45 degree readings all the way to Florida.