Limestone Branch near Leesburg, VA

River level and flood forecast · Loudoun County

Normal0.7 ftas of Mon 4:31 PM

The river is 6.3 ft below flood stage (7 ft).

Flow: 10 cubic feet per second (USGS).

The last 7 days and the forecast

-20246810TueWedThuFriSatSunMonAction 5 ftFlood 7 ftModerate 8 ftMajor 10 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 stage10 ft
Moderate flood stage8 ft
Flood stage7 ft
Action stage5 ft
Record crest (September 23, 2003)11.19 ft

What floods at each level

From the National Weather Service, highest first.

  • 10 ftRoute 15 floods at Limestone Branch, which is between Leesburg and Lucketts.
  • 8 ftA home near Route 15 along the stream begins to flood.
  • 7 ftGreenfield Farm Lane and another access road flood. Field flooding near the stream is widespread.
  • 5 ftWater begins to overflow into fields near the stream.

Highest crests on record

  1. 11.19 ft — September 23, 2003
  2. 9.12 ft — September 30, 2015
  3. 8.13 ft — April 28, 2011
  4. 7.81 ft — May 16, 2014
  5. 7.71 ft — January 14, 2005

Recent crests: 5.91 ft (April 19, 2019) · 7.58 ft (September 28, 2018) · 6.24 ft (July 29, 2017) · 5.83 ft (February 24, 2016) · 9.12 ft (September 30, 2015)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LBUV2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.