Major Flood
20 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
14 ft
Minor Flood
13 ft
Action Stage
10 ft
What Floods at Each Level
13 ft
Widespread agricultural flooding occurs.
11 ft
Tyrrell Road, 2 miles northeast of Mackinaw, begins to flood.
10 ft
Minor flooding begins to low lying areas near the river.
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 |
|---|---|---|
| Dec 3, 1982 | 20.21 ft | 44,800 cfs |
| Oct 3, 1986 | 19.61 ft | 35,300 cfs |
| Jun 2, 1980 | 19.52 ft | 31,900 cfs |
About This Gauge
USGS Site
NWS LID
CNGI2
River
Mackinaw River
County
Woodford, IL
Coordinates
40.6235°N, 89.2417°W
Get Flood Alerts for Mackinaw 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 Mackinaw River near Congerville?
The Mackinaw River near Congerville gauge is maintained by USGS (site 05567500) 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 Mackinaw River near Congerville?
The NWS-defined flood stage for Mackinaw River near Congerville is 13 feet. Action stage begins at 10 feet. Moderate flooding starts at 14 feet, and major flooding at 20 feet.
How do I get alerts when Mackinaw River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mackinaw River near Congerville 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 Mackinaw River near Congerville gauge located?
The gauge is located in Woodford County, Illinois at coordinates 40.6235°N, 89.2417°W. USGS site number: 05567500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: USGS & USACE, Observations courtesy of U.S. Geological Survey, 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 24 hours into the future from the forecast issuance time.