Major Flood
23 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: HAVI2). 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
14 ft
Action Stage
13 ft
What Floods at Each Level
30.1 ft
Liverpool Levee overtops.
27 ft
Thompson Lake Levee is overtopped. The Duncan Mills levee overtops...flooding agricultural land.
26 ft
Big Lake Levee is overtopped. Water reaches the low steel on the US 136 bridge over Lacy Ditch...just west of Havana.
25.6 ft
Globe (Crabtree) Levee is overtopped.
25 ft
Water reaches the low steel on the IL 78/97 bridges over Lacy Ditch and the Spoon River...just north of the wye with US 136.
22 ft
Riverfront Park in Havana is inundated.
19.5 ft
Access road to Anderson Lake north campground closed.
14 ft
Minor flooding begins to agricultural areas not protected by levees.
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, 2013 | 27.78 ft | -9,999 cfs |
| Jul 1, 2015 | 27.24 ft | -9,999 cfs |
| May 25, 1943 | 27.1 ft | — |
About This Gauge
NWS LID
HAVI2
River
Illinois River
County
Mason, IL
Coordinates
40.2932°N, 90.0694°W
Get Flood Alerts for Illinois 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 Illinois River near Havana?
The Illinois River near Havana 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 Illinois River near Havana?
The NWS-defined flood stage for Illinois River near Havana is 14 feet. Action stage begins at 13 feet. Moderate flooding starts at 17 feet, and major flooding at 23 feet.
How do I get alerts when Illinois River rises?
Download StormCast free on Google Play, go to River Gauges, and add Illinois River near Havana 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 Illinois River near Havana gauge located?
The gauge is located in Mason County, Illinois at coordinates 40.2932°N, 90.0694°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Illinois River
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Source & Notes
Data provided by: USACE, 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.