Rivers in Minnesota

Long Prairie River at Long Prairie

Todd County, MinnesotaNWS LGPM5USGS 05245100Chanhassen office

Below flood stage
1.42ftStage

Observed Wed, Sep 23, 1:15 AM CDT

Flood stage
7.00 ft
Record crest
9.37 ft1972

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood10.00 ft
Moderate flood8.00 ft
Minor flood7.00 ft
Action6.00 ft
  1. 10.90 ftWater reaches low bridge steel on Riverside Drive bridge just below gage.
  2. 9.30 ftWater begins to flow over Riverside Drive west of the bridge.
  3. 9.20 ftWater begins to flow over Highway 71 about 2000 feet north of Highway 27.
  4. 8.00 ftCommercial businesses are impacted on Riverside Drive and 1st Avenue SW. Sandbags deployed to protect commercial structures.
  5. 7.00 ft1st Avenue SW becomes innundated. Lumber yard and produce store parking lots flood due to water backing up Venewitz Creek. Lions Westside park impacted.
  6. 6.00 ftLow area north side of the river across from Lions Westside Park partially inundated.
  7. 5.00 ftCanoe Landing at Riverside Park starts to flood.

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 August 28, 2026.

Crest history

36 crests on NOAA’s list since 1972.

#DateStage
1July 22, 19729.37 ft
2April 9, 20018.91 ft
3June 26, 20038.78 ft
4April 8, 19977.90 ft
5March 26, 20097.58 ft
6April 14, 20237.56 ft
7April 20, 19797.55 ft
8April 5, 19827.54 ft
9March 28, 20197.29 ft
10April 1, 19867.10 ft
11March 17, 20107.09 ft
12May 13, 20226.93 ft
13June 9, 20146.80 ft
14April 11, 19966.47 ft
15October 20, 19846.41 ft
16April 7, 20116.36 ft
17April 3, 20066.34 ft
18March 18, 19956.31 ft
19April 22, 19756.25 ft
20February 22, 20176.25 ft
21April 11, 20216.20 ft
22June 2, 20136.17 ft
23October 4, 20176.14 ft
24August 20, 20206.05 ft
25May 1, 20136.03 ft

Most recent crests

  • April 14, 2023: 7.56 ft
  • May 13, 2022: 6.93 ft
  • April 11, 2021: 6.20 ft
  • August 20, 2020: 6.05 ft
  • March 28, 2019: 7.29 ft
  • July 10, 2018: 6.00 ft
  • October 4, 2017: 6.14 ft
  • February 22, 2017: 6.25 ft
  • July 18, 2016: 5.07 ft
  • May 21, 2015: 5.66 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. Stage may be affected by ice.

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.