RIVER GAUGE · ILLINOIS RIVER
Illinois River near Kerby
Josephine County, Oregon
Water level0.68 ft
Flow33 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action10 ft3,970 cfs
Minor flood35 ft47,580 cfs
Moderate flood37 ft53,120 cfs
Major flood40 ft61,990 cfs
The past week
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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.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Dec 21, 1964 | 45.28 ft | 92,200 cfs |
| Oct 9, 1970 | 33.7 ft | — |
| Jan 5, 1966 | 31.48 ft | — |
Get an alert when Illinois River rises
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