Long Prairie River at Long Prairie, MN
River level and flood forecast · Todd County
Normal1.5 ftas of Mon 1:15 PM
The river is 5.5 ft below flood stage (7 ft).
Flow: 47 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 10 ft |
| Moderate flood stage | 8 ft |
| Flood stage | 7 ft |
| Action stage | 6 ft |
| Record crest (July 22, 1972) | 9.37 ft |
What floods at each level
From the National Weather Service, highest first.
- 10.9 ftWater reaches low bridge steel on Riverside Drive bridge just below gage.
- 9.3 ftWater begins to flow over Riverside Drive west of the bridge.
- 9.2 ftWater begins to flow over Highway 71 about 2000 feet north of Highway 27.
- 8 ftCommercial businesses are impacted on Riverside Drive and 1st Avenue SW. Sandbags deployed to protect commercial structures.
- 7 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 ftLow area north side of the river across from Lions Westside Park partially inundated.
- 5 ftCanoe Landing at Riverside Park starts to flood.
Highest crests on record
- 9.37 ft — July 22, 1972
- 8.91 ft — April 9, 2001
- 8.78 ft — June 26, 2003
- 7.9 ft — April 8, 1997
- 7.58 ft — March 26, 2009
Recent crests: 7.56 ft (April 14, 2023) · 6.93 ft (May 13, 2022) · 6.2 ft (April 11, 2021) · 6.05 ft (August 20, 2020) · 7.29 ft (March 28, 2019)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LGPM5); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.