River stage
McGregor, Mississippi River
- River level
- 6.66 ft
- Status
- Below flood stage
- 7-day change
- -0.31 ft
- Recent high
- 10.25 ft
- Recent low
- 6.07 ft
Last reported 2026-10-13 | NWS MCGI4
- 30-day change
- +0.33 ft
- Average
- 7.28 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 25.38 ft
In brief
The Mississippi River at McGregor, IA read 6.66 ft on Oct 13, 2026, 6.34 ft below action stage. That is 0.33 ft higher than 30 days earlier.
Source: National Weather Service gauge MCGI4
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 25.38 ft | 1965-04-24 |
| 2 | 23.75 ft | 2001-04-20 |
| 3 | 22.91 ft | 2023-04-28 |
| 4 | 21.98 ft | 1993-06-29 |
| 5 | 21.75 ft | 2019-04-26 |
| 6 | 21.58 ft | 1969-04-22 |
| 7 | 21.38 ft | 1997-04-15 |
| 8 | 21.32 ft | 2011-04-18 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 16.00 ft
The Washington Street Bridge to Saint Feriole Island begins to flood and is closed. Pumping operations are underway.
- 16.50 ft
Water may begin to go over the road covering part of Highway C near Highway 18.
- 17.00 ft
Minor lowland flooding begins, and access to parks near the river in Prairie du Chien is affected.
- 18.00 ft
Pumping operations begin at the Prairie du Chien waste water treatment facility.
- 19.00 ft
Flooding of some residential areas begin.
- 19.60 ft
The road to the Prairie du Chien waste water treatment facility is flooded.
- 21.50 ft
Railroad tracks near the casino in Marquette are closed.
- 22.00 ft
Water covers the north end of Main Street.
- 23.50 ft
The road near the casino in Marquette is closed.
- 25.00 ft
Major flooding occurs in McGregor.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Mississippi River flooding at McGregor?
No. The Mississippi River at McGregor is at 6.66 ft, 6.34 ft below action stage.
What is the flood stage at McGregor?
The National Weather Service sets action stage 13 ft, minor flooding 16 ft, moderate flooding 19 ft and major flooding 22 ft.
What is the highest the Mississippi River has been at McGregor?
The highest crest on record is 25.38 ft, on 1965-04-24.
Is the Mississippi River high or low right now at McGregor?
At 6.66 ft it is higher than 30% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge MCGI4); daily history from the U.S. Geological Survey (site 05389500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.