Lemhi River near Lemhi ID
Is Lemhi River near Lemhi ID flooding right now?
Lemhi River near Lemhi ID measured 3.57 ft on 2026-09-11 01:00:00 UTC. That observation was 2.9 ft below its 6.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
3.57 ft
Streamflow
110 cfs
Minor flooding here begins at 6.5 ft, with major flooding at 10 ft. The highest crest on record was 7.19 ft on Thu, Jun 21, 1984.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 6 ft | 2.4 ft below |
| Minor flood | 6.5 ft | 2.9 ft below |
| Moderate flood | 8.5 ft | 4.9 ft below |
| Major flood | 10 ft | 6.4 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 7.19 ft | 1984-06-21 |
| 7.07 ft | 2026-01-29 |
| 6.72 ft | 1975-07-06 |
| 6.7 ft | 2017-06-05 |
| 6.67 ft | 2011-06-24 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Lemhi River near McFarland, ID | 10.1 mi | Lemhi County |
| Lemhi River below L5 Diversion near Salmon, ID | 15.4 mi | Lemhi County |
| Bohannon Creek above Diversions near Salmon, ID | 17.6 mi | Lemhi County |
| Salmon River at Salmon ID | 21.0 mi | Lemhi County |
| Big Eightmile Creek Bel Devils Canyon near Leadore, ID | 21.1 mi | Lemhi 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.