Major Flood
40 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
37 ft
Minor Flood
35 ft
Action Stage
10 ft
What Floods at Each Level
42 ft
At this stage, numerous homes and businesses flood near the town of Kerby. Expect widespread flooding of lowland areas from Cave Junction downstream past Kerby.
35 ft
The Illinois River is at flood stage.
30 ft
The Illinois River is at bankfull level.
10 ft
At 10 feet or greater, most or all camping areas along the lower Illinois River are under water and conditions on this river become extremely dangerous for rafting.
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 21, 1964 | 45.28 ft | 92,200 cfs |
| Oct 9, 1970 | 33.7 ft | — |
| Jan 5, 1966 | 31.48 ft | — |
About This Gauge
USGS Site
NWS LID
KRBO3
River
Illinois River
County
Josephine, OR
Coordinates
42.2318°N, 123.6637°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 Kerby?
The Illinois River near Kerby gauge is maintained by USGS (site 14377100) 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 Kerby?
The NWS-defined flood stage for Illinois River near Kerby is 35 feet. Action stage begins at 10 feet. Moderate flooding starts at 37 feet, and major flooding at 40 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 Kerby 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 Kerby gauge located?
The gauge is located in Josephine County, Oregon at coordinates 42.2318°N, 123.6637°W. USGS site number: 14377100. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey