UPDATE (9:24 AM): This warning was corrected from a Flash Flood Watch to a Flood Watch.
CORRECTION: This is a Flood Watch, not a Flash Flood Watch. https://t.co/SVbxHcvuu4
— NWS DC/Baltimore (@NWS_BaltWash) January 23, 2019
NWS says rain will overspread the area this evening and overnight. The heaviest rain is expected overnight and Thursday morning. Total rainfall amounts around 1 to 1.5 inches are expected with locally higher amounts around 2 inches possible.