River Conditions
Illustrated map of Lake Itasca

River stage

Mankato, Minnesota River

River level
4.36 ft
Status
Below flood stage
7-day change
-0.96 ft
Recent high
8.70 ft
Recent low
2.71 ft

Last reported 2026-10-13 | NWS MNKM5

30-day change
+1.00 ft
Average
5.39 ft
Readings
122
Data span
122 days
Record crest
30.11 ft

In brief

The Minnesota River at Mankato, MN read 4.36 ft on Oct 13, 2026, 10.64 ft below action stage. That is 1.00 ft higher than 30 days earlier.

Source: National Weather Service gauge MNKM5

River level timeline

2.54.25.97.79.4SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 8.64LOW 3.224.38 ftLAST READING

Stage threshold profile

Action stage 15.00 ftMinor flooding 22.00 ftModerate flooding 25.00 ftMajor flooding 30.00 ft CURRENT 4.36 ft

Highest crests on record

RankCrestDate
1 30.11 ft 1993-06-21
2 29.90 ft 1881-04-26
3 29.76 ft 2024-06-26
4 29.09 ft 1965-04-10
5 28.25 ft 2010-09-27
6 27.61 ft 1997-04-10
7 27.07 ft 1969-04-12
8 26.96 ft 2001-04-16

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 21.00 ft

    Dike patrolling begins in Mankato.

  2. 24.50 ft

    HWY 99 east of St Peter closed (estimated level for spring floods)

  3. 25.00 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.)

  4. 26.60 ft

    Flood waters begin to impact Highway 169 in North Mankato.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Minnesota River flooding at Mankato?

No. The Minnesota River at Mankato is at 4.36 ft, 10.64 ft below action stage.

What is the flood stage at Mankato?

The National Weather Service sets action stage 15 ft, minor flooding 22 ft, moderate flooding 25 ft and major flooding 30 ft.

What is the highest the Minnesota River has been at Mankato?

The highest crest on record is 30.11 ft, on 1993-06-21.

Is the Minnesota River high or low right now at Mankato?

At 4.36 ft it is higher than 31% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge MNKM5); daily history from the U.S. Geological Survey (site 05325000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.