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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the Minnesota River at Mankato are issued as needed during times of high water, but are not routinely available.

More information on datums is available at

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Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 25
Flood Stage: 22
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
(1) 30.11 ft on 06/21/1993
(2) 29.90 ft on 04/26/1881
(3) 29.09 ft on 04/10/1965
(4) 28.25 ft on 09/27/2010
(5) 27.61 ft on 04/10/1997
(6) 27.07 ft on 04/12/1969
(7) 26.96 ft on 04/16/2001
(8) 26.50 ft on 04/27/2001
(9) 26.24 ft on 03/22/2019
(10) 26.20 ft on 04/09/1951
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.29 ft on 05/17/2023
(2) 20.86 ft on 04/23/2023
(3) 17.83 ft on 05/19/2022
(4) 10.20 ft on 03/27/2021
(5) 17.92 ft on 04/02/2020
(6) 26.24 ft on 03/22/2019
(7) 23.33 ft on 06/27/2018
(8) 16.13 ft on 10/10/2017
(9) 16.26 ft on 05/26/2017
(10) 19.15 ft on 09/26/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.30 ft on 08/04/1934
(2) 0.50 ft on 09/12/1976
(3) 0.74 ft on 10/13/2012
(4) 1.16 ft on 08/05/2021
(5) 1.30 ft on 08/18/1964
Show More Low Water Records
KML Image
Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
26.6 Flood waters begin to impact Highway 169 in North Mankato.
25 Highway 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 HWY 99 east of St Peter closed (estimated level for spring floods)
21 Dike patrolling begins in Mankato.
(1) Looking Upriver
(2) Looking Downriver
(3) Gage Bridge
(4) Gage Bridge 2

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Gauge maintained by USGS.
How low could the river get?
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Twin Cities/Chanhassen Weather Forecast Office
1733 Lake Drive West
Chanhassen, MN 55317-8581
(952) 361-6708
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Page last modified: 2-Nov-2020 7:29 PM
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