Is the Lemhi River flooding?
The Lemhi River is tracked by 4 USGS streamgauges in Idaho. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Lemhi River is running normal, rising toward flood stage, or already flooding. 1 of 4 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Idaho river levels.
River facts
The longest-running gauge on this river is Lemhi River near Lemhi ID. The highest level ever recorded there was 7.19 ft on 21 June 1984, carrying 2,430 cfs. Peak records there go back to 1956 (69 annual peaks). It is currently at 3.57 ft, 3.6 ft below that record.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Lemhi River near Lemhi ID | No flooding | 3.57 ft | 6.5 ft | |
| Lemhi River at Leadore ID | No current data | — | — | — |
| Lemhi River near McFarland, ID | No current data | — | — | — |
| Lemhi River below L5 Diversion near Salmon, ID | No current data | — | — | — |