Kootenai River at Porthill ID
Is Kootenai River at Porthill ID flooding right now?
Kootenai River at Porthill ID measured 44.37 ft on 2026-09-11 00:45:00 UTC. No NWS minor flood stage is published for this gauge.
Gauge height
44.37 ft
Streamflow
—
The highest crest on record was 72.7 ft on Fri, Jun 1, 1894.
Flood forecast
Highest crests on record
| Stage | Date |
|---|---|
| 72.7 ft | 1894-06-01 |
| 67.61 ft | 1961-06-07 |
| 66.16 ft | 1948-06-01 |
| 65.44 ft | 1950-06-23 |
| 65.17 ft | 1954-05-22 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Boundary Creek near Porthill ID | 2.8 mi | Boundary County |
| Smith Creek below Diversion near Porthill ID | 8.2 mi | Boundary County |
| Moyie River at Eastport ID | 14.8 mi | Boundary County |
| Kootenai River at Klockmann Ranch near Bonners Ferry ID | 15.1 mi | Boundary County |
| Myrtle Creek near Bonners Ferry ID | 20.4 mi | Boundary 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.