South Mayo River near Nettleridge, VA
River level and flood forecast · Patrick County
Normal4.2 ftas of Mon 3:45 PM
The river is 7.8 ft below flood stage (12 ft).
Flow: 153 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 | 18 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 12 ft |
| Action stage | 10 ft |
| Record crest (September 22, 1979) | 22 ft |
What floods at each level
From the National Weather Service, highest first.
- 25 ftWater reaches the floor of the Highway 700 bridge.
- 15 ftDobyns Road..Commerce St. and New Hope Church Road near Stuart are flooded.
Highest crests on record
- 22 ft — September 22, 1979
- 20.89 ft — August 18, 1985
- 18.32 ft — June 21, 1972
- 17.1 ft — April 21, 1992
- 17.05 ft — September 29, 2015
Recent crests: 9.67 ft (September 27, 2024) · 12.16 ft (January 9, 2024) · 11.74 ft (November 12, 2020) · 12.28 ft (October 29, 2020) · 11.2 ft (May 21, 2020)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (NTLV2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.