Roanoke River at Niagara, VA
River level and flood forecast · Roanoke County
Normal5.1 ftas of Mon 2:45 PM
The river is 7.9 ft below flood stage (13 ft).
Flow: 1,460 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 | 13 ft |
| Action stage | 11 ft |
| Record crest (November 4, 1985) | 25.3 ft |
What floods at each level
From the National Weather Service, highest first.
- 11 ftSUBSTANTIAL LEFT BANK FLOODING BEGINS NEAR GAGE.
Highest crests on record
- 25.3 ft — November 4, 1985
- 19.12 ft — April 27, 1978
- 18.98 ft — June 21, 1972
- 18.62 ft — September 28, 2004
- 17.95 ft — April 21, 1992
Recent crests: 16.85 ft (February 16, 2025) · 15.47 ft (September 27, 2024) · 10.03 ft (January 10, 2024) · 11.01 ft (May 28, 2022) · 16.33 ft (November 12, 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 (NIAV2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.