Broad Run near Sterling, VA

River level and flood forecast · Loudoun County

Normal6.1 ftas of Mon 4:40 PM

The river is 5.9 ft below flood stage (12 ft).

Flow: 1,120 cubic feet per second (USGS).

The last 7 days and the forecast

-505101520TueWedThuFriSatSunMonAction 10 ftFlood 12 ftModerate 15 ftMajor 18 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage18 ft
Moderate flood stage15 ft
Flood stage12 ft
Action stage10 ft
Record crest (May 12, 2008)13.29 ft

What floods at each level

From the National Weather Service, highest first.

  • 16 ftYoungs Cliff Road is flooded. This can also happen due to Potomac River backwater and not be reflected at this gauge.
  • 15 ftWater approaches buildings off Youngs Cliff Road. This can also happen due to Potomac River backwater and not be reflected at this gauge.
  • 10 ftWooded areas near the river flood.

Highest crests on record

  1. 13.29 ft — May 12, 2008
  2. 11.27 ft — January 31, 2013
  3. 11.21 ft — May 16, 2014
  4. 10.79 ft — September 9, 2011
  5. 10.76 ft — October 30, 2012

Recent crests: 10.06 ft (August 12, 2020) · 11.21 ft (May 16, 2014) · 11.27 ft (January 31, 2013) · 10.76 ft (October 30, 2012) · 10.79 ft (September 9, 2011)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LRGV2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.