Dead Run near McLean, VA
River level and flood forecast · Fairfax County
Normal1.4 ftas of Mon 2:25 PM
The river is 7.6 ft below flood stage (9 ft).
Flow: 2 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 11 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 9 ft |
| Action stage | 8 ft |
| Record crest (December 25, 2022) | 10.54 ft |
What floods at each level
From the National Weather Service, highest first.
- 11 ftSignificant flooding is occurring, with numerous roads flooded.
- 10 ftNumerous side streets and footbridges are flooded near Dead Run. Water approaches Georgetown Pike.
- 9 ftWater approaches yards near the stream.
Highest crests on record
- 10.54 ft — December 25, 2022
- 8.18 ft — July 8, 2019
- 7.42 ft — August 18, 2010
- 7.2 ft — September 1, 2021
- 6.85 ft — September 8, 2011
Recent crests: 10.54 ft (December 25, 2022) · 7.2 ft (September 1, 2021) · 8.18 ft (July 8, 2019) · 6.85 ft (September 8, 2011) · 7.42 ft (August 18, 2010)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MDRV2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.