Note: The Flash Flood Warning has been canceled for the DC region. The most recent warning issuances before the cancellation are below.
  
 
 A Flash Flood Warning is in effect to 9:30 pm Saturday, July 12, 2025 including the following jurisdictions.
VIRGINIA: Fairfax, Prince William, Manassas, Manassas Park.
Excerpted from the National Weather Service:
The National Weather Service in Sterling Virginia has issued a
Flash Flood Warning for…
 Fairfax County in northern Virginia…
 Prince William County in northern Virginia…
 The City of Manassas in northern Virginia…
 The City of Manassas Park in northern Virginia…
Until 930 PM EDT.
At 627 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD…Flash flooding caused by thunderstorms.
SOURCE…Radar.
IMPACT…Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
 Some locations that will experience flash flooding include…
 Centreville…                     Mantua…
 Burke…                           Bull Run…
 Manassas…                        Sudley…
 Manassas Park…                   Fairfax Station…
 Clifton…
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Turn around, don’t drown when encountering flooded roads. Most flood
 deaths occur in vehicles.
  
 
 A Flash Flood Warning is in effect to 9:30 pm Saturday, July 12, 2025 including the following jurisdictions.
MARYLAND: central Frederick.
Excerpted from the National Weather Service:
The National Weather Service in Sterling Virginia has issued a
Flash Flood Warning for…
 Central Frederick County in north central Maryland…
Until 930 PM EDT.
At 618 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD…Flash flooding caused by thunderstorms.
SOURCE…Radar.
IMPACT…Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
 Some locations that will experience flash flooding include…
 Frederick…                       Walkersville…
 Utica…                           Lewistown…
 Bloomfield…
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Turn around, don’t drown when encountering flooded roads. Most flood deaths occur in vehicles.