Flood Watch Takes Effect Early Saturday Morning

National Weather Service says up to two and a half inches of rain is possible.

Flood Watch

Flood WatchNational Weather Service Baltimore MD/Washington DC1129 AM EDT Fri Mar 22 2024MDZ004>006-016>018-503-505-507-VAZ038>040-050-051-055-056-501-502-505-506-526-527-222330-/O.EXA.KLWX.FA.A.0006.240323T0600Z-240323T1800Z//00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/Frederick MD-Carroll-Northern Baltimore-Charles-St. Marys-Calvert-Northwest Montgomery-Northwest Howard-Northwest Harford-Greene-Madison-Rappahannock-Orange-Culpeper-Stafford-Spotsylvania-Northern Fauquier-Southern Fauquier-Western Loudoun-EasternLoudoun-Northwest Prince William-Central and Southeast PrinceWilliam/Manassas/Manassas Park-Including the cities of Dunkirk, Damascus, Montclair,Stanardsville, Reisterstown, Orange, Culpeper, Sterling,Gordonsville, Manassas, Huntingtown, Cockeysville, Frederick,Washington, Warrenton, California, Ballenger Creek, Lake Ridge,North Beach, Chesapeake Beach, Ashburn, Haymarket, Lusby, Lisbon,Dale City, Waldorf, Jarrettsville, Leesburg, St. Charles,Lexington Park, Prince Frederick, Falmouth, Purcellville,Woodbridge, Turnbull, Eldersburg, Westminster, Germantown,Fredericksburg, and Madison1129 AM EDT Fri Mar 22 2024...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAYAFTERNOON...* WHAT...Flooding caused by excessive rainfall continues to be  possible.* WHERE...Portions of Maryland, including the following areas,  Calvert, Carroll, Charles, Frederick MD, Northern Baltimore,  Northwest Harford, Northwest Howard, Northwest Montgomery and St.  Marys and Virginia, including the following areas, Central and  Southeast Prince William/Manassas/Manassas Park, Culpeper, Eastern  Loudoun, Greene, Madison, Northern Fauquier, Northwest Prince  William, Orange, Rappahannock, Southern Fauquier, Spotsylvania,  Stafford and Western Loudoun.* WHEN...From late tonight through Saturday afternoon.* IMPACTS...Excessive runoff may result in flooding of rivers,  creeks, streams, and other low-lying and flood-prone locations.* ADDITIONAL DETAILS...  - Rainfall of 1.5 to 2.5 inches is most likely late tonight    through Saturday morning. Rain will depart by Saturday    afternoon. The bulk of the rain is expected to fall overnight    tonight into early Saturday morning within roughly a six hour    window. This may result in flooding of urban and poor    drainage areas, as well as on smaller streams.  - Please visit www.weather.gov/safety/flood for flood safety    and preparedness informationPRECAUTIONARY/PREPAREDNESS ACTIONS...You should monitor later forecasts and be alert for possible FloodWarnings. Those living in areas prone to flooding should be preparedto take action should flooding develop.By The National Weather Service, Sterling, Va.