Latest Forecast

A quasi-stationary frontal boundary will remain draped from the Ohio Valley through the southern mid-Atlantic States this afternoon, but showers and thunderstorms associated with a disturbance riding southeastward along it should remain southwest of the Lower Susquehanna Valley. Instead, this afternoon will turn out partly-to-mostly cloudy, dry and seasonable with slightly lower humidity. A high pressure system of Canadian origin will then settle into New England on Saturday and promote mostly sunny, dry and seasonably warm weather for the start of the weekend. Clouds will increase Saturday night in advance of an approaching storm system, and widespread showers and thunderstorms are then expected on Sunday. Heavy rainfall, lightning and localized flash flooding of urban-, low-lying and poor-drainage areas will be the main threats from the storms. Most areas should receive 0.50-1.00" of rain from the system with locally higher amounts up to 2" through Sunday night.