Mostly sunny with a high of 54 °F (12.2 °C). Winds W at 14 to 15 mph (22.5 to 24.1 kph). Night - Clear. Winds variable at 3 to 12 mph (4.8 to 19.3 kph). The overnight low will be 30 °F (-1.1 ...

Because of prolonged cold weather, pancake ice has formed on the Upper Potomac River near Great Falls. The circular slabs ... I then hiked a trail upstream that followed the remains of the ...