Major Flood
18 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
16 ft
Minor Flood
12 ft
Action Stage
10 ft
What Floods at Each Level
18 ft
The river overflows the right bank downstream from the gage site. "The Flat" area is flooded and water begins to threaten some of the businesses downstream from the gage.
14 ft
The river may begin to threaten "The Flat" area at this level and the ballfield will begin to experience some flooding.
12 ft
The river begins to overflow the left bank downstream from the foot bridge where the gage is located.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Mar 25, 1950 | 19.2 ft | 22,100 cfs |
| Jun 28, 1942 | 17.23 ft | — |
| Jun 9, 2008 | 14.17 ft | 11,100 cfs |
About This Gauge
USGS Site
NWS LID
LNSM5
River
South Branch Root River
County
Fillmore, MN
Coordinates
43.7220°N, 91.9787°W
Get Flood Alerts for South Branch Root 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 South Branch Root River at Lanesboro?
The South Branch Root River at Lanesboro gauge is maintained by USGS (site 05384120) 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 South Branch Root River at Lanesboro?
The NWS-defined flood stage for South Branch Root River at Lanesboro is 12 feet. Action stage begins at 10 feet. Moderate flooding starts at 16 feet, and major flooding at 18 feet.
How do I get alerts when South Branch Root River rises?
Download StormCast free on Google Play, go to River Gauges, and add South Branch Root River at Lanesboro 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 South Branch Root River at Lanesboro gauge located?
The gauge is located in Fillmore County, Minnesota at coordinates 43.7220°N, 91.9787°W. USGS site number: 05384120. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on South Branch Root River
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Source & Notes
Data provided by: Observations courtesy of Minnesota DNR, 05384120
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.