A flash flood watch has been issued in Frederick, Carroll, Baltimore and Anne Arundel Counties until 2 a.m. Saturday.
RELATED: What you should do during a Flash Flood Watch
Flash Flood Watch for Frederick, Carroll, Baltimore and Anne Arundel County until 2:00am Saturday. https://t.co/j9IRTq49l8 #mdwx
— ABC2 Weather (@ABC2Weather) August 18, 2017
