Okanogan River near Tonasket, WA
Is Okanogan River near Tonasket, WA flooding right now?
Okanogan River near Tonasket, WA measured 4.01 ft on 2026-09-11 01:15:00 UTC. That observation was 11.0 ft below its 15 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
4.01 ft
Streamflow
518 cfs
Minor flooding here begins at 15 ft, with major flooding at 18 ft. The highest crest on record was 22.54 ft on Fri, Jun 2, 1972.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 14 ft | 10.0 ft below |
| Minor flood | 15 ft | 11.0 ft below |
| Moderate flood | 17 ft | 13.0 ft below |
| Major flood | 18 ft | 14.0 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 22.54 ft | 1972-06-02 |
| 21.79 ft | 1948-05-31 |
| 19.71 ft | 2018-05-12 |
| 18.79 ft | 1974-06-19 |
| 18.66 ft | 1950-06-18 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Bonaparte Creek at Tonasket, WA | 4.8 mi | Okanogan County |
| Antoine Creek at US Hwy 97 near Ellisforde, WA | 9.1 mi | Okanogan County |
| Johnson Creek near Riverside, WA | 9.8 mi | Okanogan County |
| North Fork Salmon Creek near Conconully, WA | 14.5 mi | Okanogan County |
| West Fork Salmon Creek near Conconully, WA | 15.2 mi | Okanogan County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.