Major Flood
20.5 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: DLDI4). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
17 ft
Minor Flood
16 ft
Action Stage
15 ft
What Floods at Each Level
22 ft
Water affects Volunteer Drive leading to Lock and Dam 11.
20.8 ft
Lock and Dam 11 is closed.
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 |
|---|---|---|
| Apr 25, 1965 | 25.69 ft | — |
| Apr 20, 2001 | 23.91 ft | — |
| Apr 28, 2023 | 23.03 ft | — |
About This Gauge
NWS LID
DLDI4
River
Mississippi River
County
Dubuque, IA
Coordinates
42.5386°N, 90.6464°W
Get Flood Alerts for Mississippi 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 Mississippi River at Dubuque (LD11)?
The Mississippi River at Dubuque (LD11) gauge is maintained by USGS 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 Mississippi River at Dubuque (LD11)?
The NWS-defined flood stage for Mississippi River at Dubuque (LD11) is 16 feet. Action stage begins at 15 feet. Moderate flooding starts at 17 feet, and major flooding at 20.5 feet.
How do I get alerts when Mississippi River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mississippi River at Dubuque (LD11) 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 Mississippi River at Dubuque (LD11) gauge located?
The gauge is located in Dubuque County, Iowa at coordinates 42.5386°N, 90.6464°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Mississippi River
On This River
Upstream: Mississippi River above Waupeton (Pool 11)
Downstream: Mississippi River at Dubuque (Railroad Bridge)
More Resources
Source & Notes
Data provided by: U.S. Army Corps of Engineers, Observations courtesy of U.S. Army Corps of Engineers
- 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.