Major Flood
799 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: SMIV2). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
798 ft
Minor Flood
797 ft
Action Stage
796 ft
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 26, 1978 | 799.79 ft | — |
| Apr 16, 1987 | 799.53 ft | — |
| Nov 4, 1985 | 799.5 ft | — |
About This Gauge
NWS LID
SMIV2
River
Roanoke River
County
Pittsylvania, VA
Coordinates
37.0200°N, 79.5300°W
Get Flood Alerts for Roanoke River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Roanoke River at Smith Mountain Lake?
The Roanoke River at Smith Mountain Lake gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Roanoke River at Smith Mountain Lake?
The NWS-defined flood stage for Roanoke River at Smith Mountain Lake is 797 feet. Action stage begins at 796 feet. Moderate flooding starts at 798 feet, and major flooding at 799 feet.
How do I get alerts when Roanoke River rises?
Download StormCast free on Google Play, go to River Gauges, and add Roanoke River at Smith Mountain Lake to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Roanoke River at Smith Mountain Lake gauge located?
The gauge is located in Pittsylvania County, Virginia at coordinates 37.0200°N, 79.5300°W. Data is provided by the U.S. Geological Survey and the National Weather Service.