River Conditions
Illustrated map of Mississippi River

River stage

Lansing, Mississippi River

River level
7.78 ft
Status
Below flood stage
Action stage
12.00 ft
Flood stage
17.00 ft
Record crest
22.50 ft

Last reported 2026-10-13 | NWS LNSI4

Record crest
22.50 ft
Flood stage
17.00 ft
Moderate flood
19.00 ft
Major flood
20.00 ft
Crest date
1965-04-24

In brief

The Mississippi River at Lansing, IA read 7.78 ft on Oct 13, 2026, 4.22 ft below action stage.

Source: National Weather Service gauge LNSI4

Stage threshold profile

Action stage 12.00 ftMinor flooding 17.00 ftModerate flooding 19.00 ftMajor flooding 20.00 ft CURRENT 7.78 ft

Highest crests on record

RankCrestDate
1 22.50 ft 1965-04-24
2 19.93 ft 2001-04-21
3 19.90 ft 1880-06-20
4 19.61 ft 2023-04-28
5 18.88 ft 1969-04-22
6 18.46 ft 1993-06-30
7 18.38 ft 1997-04-15
8 18.14 ft 1952-04-23

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

What happens at each level

  1. 14.50 ft

    River water back flows onto the ball park diamond via the lift station bypass.

  2. 14.90 ft

    River water back flows into Hogan Park by the sewer by-pass.

  3. 17.60 ft

    Water from the storm sewer system covers the 600 block of South Front Street.

  4. 17.89 ft

    Water from the storm sewer system reaches the 300 and 500 blocks of South Front Street.

  5. 18.20 ft

    Lock and Dam 9 goes out of operation.

  6. 18.60 ft

    Water from the storm sewer system covers the 400 block of South Front Street.

  7. 18.80 ft

    Water begins to cover Highway X52 by the wastewater treatment plant.

  8. 19.80 ft

    Water from the storm sewer system covers the 700 block of South Front Street.

  9. 20.00 ft

    The Wisconsin Highway 82 river crossing between Highway 35 and Lansing is closed.

  10. 21.00 ft

    Dairyland Power becomes inoperative.

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

Frequently asked questions

Is the Mississippi River flooding at Lansing?

No. The Mississippi River at Lansing is at 7.78 ft, 4.22 ft below action stage.

What is the flood stage at Lansing?

The National Weather Service sets action stage 12 ft, minor flooding 17 ft, moderate flooding 19 ft and major flooding 20 ft.

What is the highest the Mississippi River has been at Lansing?

The highest crest on record is 22.5 ft, on 1965-04-24.

Stage and flood information from the NOAA National Weather Service (gauge LNSI4). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.