Rivers in Oregon
Illinois River near Kerby
Below flood stage
0.64ftStage
Observed Tue, Sep 22, 12:45 AM PDT
- Flood stage
- 35.00 ft
- Forecast crest
- 0.67 ftTue, Sep 22, 5:00 AM PDT
- Record crest
- 45.28 ft1964
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 40.00 ft |
| Moderate flood | 37.00 ft |
| Minor flood | 35.00 ft |
| Action | 10.00 ft |
- 42.00 ftAt this stage, numerous homes and businesses flood near the town of Kerby. Expect widespread flooding of lowland areas from Cave Junction downstream past Kerby.
- 35.00 ftThe Illinois River is at flood stage.
- 30.00 ftThe Illinois River is at bankfull level.
- 10.00 ftAt 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.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.
Crest history
14 crests on NOAA’s list since 1962.
| # | Date | Stage |
|---|---|---|
| 1 | December 22, 1964 | 45.28 ft |
| 2 | October 10, 1970 | 33.70 ft |
| 3 | January 6, 1966 | 31.48 ft |
| 4 | December 2, 1962 | 30.51 ft |
| 5 | January 1, 1972 | 30.42 ft |
| 6 | December 29, 2005 | 29.98 ft |
| 7 | December 8, 1996 | 26.50 ft |
| 8 | January 19, 2012 | 25.90 ft |
| 9 | December 15, 2016 | 25.45 ft |
| 10 | February 6, 2015 | 25.43 ft |
| 11 | December 29, 2024 | 24.77 ft |
| 12 | January 20, 2019 | 24.57 ft |
| 13 | January 13, 2024 | 23.19 ft |
| 14 | November 20, 2012 | 17.49 ft |
Most recent crests
- December 29, 2024: 24.77 ft
- January 13, 2024: 23.19 ft
- January 20, 2019: 24.57 ft
- December 15, 2016: 25.45 ft
- February 6, 2015: 25.43 ft
- November 20, 2012: 17.49 ft
- January 19, 2012: 25.90 ft
- December 29, 2005: 29.98 ft
- December 8, 1996: 26.50 ft
- January 1, 1972: 30.42 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.