 Interstate to go from Inwood, pushing into Martinsburg. Use Route 11 northbound. This is brought to you by Frederick Air and Bryant. Whatever it takes to keep you comfortable, Frederick Air, it's a good call. The 930 WFMD sky scan forecast for Frederick and surrounding counties. For this morning, mostly cloudy, clouds, showers, and thunderstorms today. The high 84. Variably cloudy, widespread showers and thunderstorms tonight. Low 70.