Major Flood
30 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
25 ft
Minor Flood
22 ft
Action Stage
15 ft
What Floods at Each Level
26.6 ft
Flood waters begin to impact Highway 169 in North Mankato.
25 ft
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 ft
HWY 99 east of St Peter closed (estimated level for spring floods)
21 ft
Dike patrolling begins in Mankato.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jun 20, 1993 | 30.11 ft | 75,600 cfs |
| Apr 25, 1881 | 29.9 ft | 110,000 cfs |
| Jun 25, 2024 | 29.76 ft | 98,400 cfs |
About This Gauge
USGS Site
NWS LID
MNKM5
River
Minnesota River
County
Blue Earth, MN
Coordinates
44.1689°N, 94.0031°W
Get Flood Alerts for Minnesota River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Minnesota River at Mankato?
The Minnesota River at Mankato gauge is maintained by USGS (site 05325000) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Minnesota River at Mankato?
The NWS-defined flood stage for Minnesota River at Mankato is 22 feet. Action stage begins at 15 feet. Moderate flooding starts at 25 feet, and major flooding at 30 feet.
How do I get alerts when Minnesota River rises?
Download StormCast free on Google Play, go to River Gauges, and add Minnesota River at Mankato to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Minnesota River at Mankato gauge located?
The gauge is located in Blue Earth County, Minnesota at coordinates 44.1689°N, 94.0031°W. USGS site number: 05325000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Minnesota River
On This River
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Source & Notes
Data provided by: Obs courtesy of USGS (05325000)
- 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.