Redwood River at Marshall, MN
River level and flood forecast · Lyon County
Normal6.6 ftas of Mon 3 PM
The river is 7.4 ft below flood stage (14 ft).
Flow: 7 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 | 18.5 ft |
| Moderate flood stage | 17 ft |
| Flood stage | 14 ft |
| Action stage | 12 ft |
| Record crest (March 24, 2019) | 19.76 ft |
What floods at each level
From the National Weather Service, highest first.
- 23.5 ftThe upper levees near Marshall are overtopped and Hwy 23 floods.
- 19.5 ftThe bridge on 250th is overtopped. Portions of Hwy 23 may flood depending on the overflow magnitude from the lower levees.
- 19 ftWater will enter Wayside Park, go over the control weir and into the Cottonwood River basin, and major flooding of agricultural land outside of Marshall begins.
- 18.5 ftPortions of the Klein Acres neighborhood may be at risk of flooding if the lower levees in Wayside Park are overtopped. The bridge on 225th is overtopped.
- 18 ftCountry roads outside of Marshall will be flooded and water reaches the bottom of the bridge on 250th.
- 17 ftWater reaches the bottom of the bridge on 225th St.
- 14 ftMinor flooding of low lying areas outside of Marshall begins.
Highest crests on record
- 19.76 ft — March 24, 2019
- 17.41 ft — July 3, 2018
- 15.9 ft — April 24, 2018
- 15.89 ft — June 24, 2024
- 15.19 ft — March 7, 2020
Recent crests: 11.85 ft (August 17, 2025) · 15.89 ft (June 24, 2024) · 12.92 ft (May 13, 2022) · 15.19 ft (March 7, 2020) · 19.76 ft (March 24, 2019)
Up and down the river, and nearby
- DownstreamRedwood River at Redwood Falls, MN
- Yellow Medicine River near Granite Falls, MN
- Minnesota River at Granite Falls, MN
- Minnesota River at Montevideo, MN
- Lac Qui Parle River at Lac Qui Parle, MN
- Chippewa River (MN) near Watson 1NE (tailwater), MN
- Minnesota River at Lac Qui Parle Dam Tail (S of hwy 13), MN
- Flandreau Creek above Flandreau, SD
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MSHM5); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.