River Conditions
Illustrated map of Mississippi River

River stage

Dubuque, Mississippi River

River level
4.91 ft
Status
Below flood stage
Action stage
15.00 ft
Flood stage
16.00 ft
Record crest
25.69 ft

Last reported 2026-10-13 | NWS DLDI4

Record crest
25.69 ft
Flood stage
16.00 ft
Moderate flood
17.00 ft
Major flood
20.50 ft
Crest date
1965-04-26

In brief

The Mississippi River at Dubuque, IA read 4.91 ft on Oct 13, 2026, 10.09 ft below action stage.

Source: National Weather Service gauge DLDI4

Stage threshold profile

Action stage 15.00 ftMinor flooding 16.00 ftModerate flooding 17.00 ftMajor flooding 20.50 ft CURRENT 4.91 ft

Highest crests on record

RankCrestDate
1 25.69 ft 1965-04-26
2 23.91 ft 2001-04-21
3 23.03 ft 2023-04-29
4 22.32 ft 1993-07-01
5 21.77 ft 2019-04-27
6 21.74 ft 1969-04-23
7 21.64 ft 1951-04-22
8 21.57 ft 1952-04-25

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

What happens at each level

  1. 20.80 ft

    Lock and Dam 11 is closed.

  2. 22.00 ft

    Water affects Volunteer Drive leading to Lock and Dam 11.

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

Frequently asked questions

Is the Mississippi River flooding at Dubuque?

No. The Mississippi River at Dubuque is at 4.91 ft, 10.09 ft below action stage.

What is the flood stage at Dubuque?

The National Weather Service sets action stage 15 ft, minor flooding 16 ft, moderate flooding 17 ft and major flooding 20.5 ft.

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

The highest crest on record is 25.69 ft, on 1965-04-26.

Stage and flood information from the NOAA National Weather Service (gauge DLDI4). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.