Minnesota River at Mankato, MN
River level and flood forecast · Blue Earth County
Normal4.4 ftas of Mon 2:30 PM
The river is 17.6 ft below flood stage (22 ft).
Flow: 2,410 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 | 30 ft |
| Moderate flood stage | 25 ft |
| Flood stage | 22 ft |
| Action stage | 15 ft |
| Record crest (June 21, 1993) | 30.11 ft |
What floods at each level
From the National Weather Service, highest first.
- 26.6 ftFlood waters begin to impact Highway 169 in North Mankato.
- 25 ftHighway 169 between St Peter and Mankato impacted in several locations. Barriers placed on east shoulder US 169 just north of St Peter at Rogers Creek or locally known as Robarts Creek. Hwy 22 bridge south of st peter closed (Spring flood impacts.)
- 24.5 ftHWY 99 east of St Peter closed (estimated level for spring floods)
- 21 ftDike patrolling begins in Mankato.
Highest crests on record
- 30.11 ft — June 21, 1993
- 29.9 ft — April 26, 1881
- 29.76 ft — June 26, 2024
- 29.09 ft — April 10, 1965
- 28.25 ft — September 27, 2010
Recent crests: 29.76 ft (June 26, 2024) · 24.29 ft (May 17, 2023) · 20.86 ft (April 23, 2023) · 17.83 ft (May 19, 2022) · 10.2 ft (March 27, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MNKM5); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.