Vermilion River (N-IL) near Leonore
Illinois — Water Level & Flood Stage
Located in La Salle County, Illinois on the Vermilion River (N-IL). Live water level data from USGS gauge 05555300, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
26 ft
Moderate Flood
21 ft
Minor Flood
16 ft
Action Stage
15.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
38 ft
1251st Road is threatened near Leonore.
30 ft
Water may reach the top of the levee west of the river in Streator. Water may reach the top of the levee at the water treatment plant in Streator. Oakley Avenue may be threatened north of Streator.
29 ft
Main Street may be threatened in Streator.
25 ft
18th Road may be threatened north of Streator.
24 ft
Without flood protection, multiple roadways and structures may be threatened west of the river near Armory Court in Streator.
21 ft
Widespread inundation of agricultural land may occur near Streator and Leonore.
16 ft
Water overtops banks at multiple locations along the river near Streator and Leonore.
14 ft
Water overtops low-lying banks in Streator.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
3.0
Approximate stage of the 1-in-10 annual chance flow (7-day average).
2.0
River nears zero flow.
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 17, 2013 | 30.25 ft | 38,900 cfs |
| Apr 17, 2013 | 30.25 ft | 38,900 cfs |
| Dec 3, 1982 | 27.13 ft | 31,800 cfs |
| Dec 3, 1982 | 27.13 ft | 31,800 cfs |
| Jan 8, 2008 | 25.22 ft | 26,900 cfs |
About This Gauge
USGS Site
NWS LID
LNRI2
River
Vermilion River (N-IL)
County
La Salle, IL
Coordinates
41.2083°N, 88.9306°W
Get Flood Alerts for Vermilion River (N-IL)
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 Vermilion River (N-IL) near Leonore?
The Vermilion River (N-IL) near Leonore gauge is maintained by USGS (site 05555300) 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 Vermilion River (N-IL) near Leonore?
The NWS-defined flood stage for Vermilion River (N-IL) near Leonore is 16 feet. Action stage begins at 15.5 feet. Moderate flooding starts at 21 feet, and major flooding at 26 feet.
How do I get alerts when Vermilion River (N-IL) rises?
Download StormCast free on Google Play, go to River Gauges, and add Vermilion River (N-IL) near Leonore to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Vermilion River (N-IL) near Leonore gauge located?
The gauge is located in La Salle County, Illinois at coordinates 41.2083°N, 88.9306°W. USGS site number: 05555300. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
More Resources
Source & Notes
Data provided by: US Geological Survey, 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 and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.