Rivers in Minnesota

South Branch Root River at Lanesboro

Fillmore County, MinnesotaNWS LNSM5USGS 05384120La Crosse office

Below flood stage
2.89ftStage

Observed Mon, Sep 28, 2:30 AM CDT

Flood stage
12.00 ft
Record crest
19.20 ft1950

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood18.00 ft
Moderate flood16.00 ft
Minor flood12.00 ft
Action10.00 ft
  1. 18.00 ftThe 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.
  2. 14.00 ftThe river may begin to threaten "The Flat" area at this level and the ballfield will begin to experience some flooding.
  3. 12.00 ftThe river begins to overflow the left bank downstream from the foot bridge where the gage is located.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 25, 2026.

Crest history

39 crests on NOAA’s list since 1942.

#DateStage
1March 26, 195019.20 ft
2June 29, 194217.23 ft
3June 9, 200814.17 ft
4June 23, 201313.75 ft
5March 26, 196113.73 ft
6March 12, 197613.42 ft
7June 1, 200013.21 ft
8March 31, 195212.20 ft
9March 30, 197912.05 ft
10April 1, 199312.00 ft
11May 30, 198011.95 ft
12July 11, 200011.87 ft
13March 14, 201911.86 ft
14April 8, 200111.58 ft
15June 21, 197411.08 ft
16September 22, 201610.70 ft
17July 7, 197810.45 ft
18June 17, 198410.24 ft
19June 17, 20049.99 ft
20March 14, 20079.81 ft
21September 24, 20109.69 ft
22July 20, 19999.48 ft
23March 28, 20059.37 ft
24June 10, 20189.31 ft
25March 11, 19858.93 ft

Most recent crests

  • March 9, 2020: 5.86 ft
  • March 14, 2019: 11.86 ft
  • June 10, 2018: 9.31 ft
  • February 21, 2017: 7.96 ft
  • September 22, 2016: 10.70 ft
  • March 10, 2015: 5.18 ft
  • June 27, 2014: 6.65 ft
  • June 23, 2013: 13.75 ft
  • February 29, 2012: 5.41 ft
  • March 23, 2011: 8.89 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. 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.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.