Salmon River at Salmon ID

Lemhi County, Idaho · USGS gauge 13302500 · NWS SMNI1 · Salmon River flood status · Idaho river levels

Nearby: river levels near Salmon · river levels near Leesburg

Is Salmon River at Salmon ID flooding right now?

Salmon River at Salmon ID measured 2.03 ft on 2026-09-11 01:00:00 UTC. That observation was 5.5 ft below its 7.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
2.03 ft
as of 65 min ago
Streamflow
908 cfs
data refreshed 2 min ago

Minor flooding here begins at 7.5 ft, with major flooding at 9.5 ft. The highest crest on record was 10.33 ft on Thu, Feb 7, 1985.

Flood forecast

NWS forecast, issued 11 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action7 ft5.0 ft below
Minor flood7.5 ft5.5 ft below
Moderate flood8.5 ft6.5 ft below
Major flood9.5 ft7.5 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
10.33 ft1985-02-07
9.62 ft1942-01-08
9.6 ft1973-01-12
9.5 ft1983-12-13
9.15 ft2017-06-06

Last 7 days

Past 7 days · 1.94–2.14 ft

Nearby gauges

GaugeDistanceCounty
Lemhi River below L5 Diversion near Salmon, ID5.9 miLemhi County
Bohannon Creek above Diversions near Salmon, ID10.0 miLemhi County
Napias Creek above Arnett Creek near Leesburg ID11.7 miLemhi County
Napias Creek below Arnett Creek near Leesburg, ID11.7 miLemhi County
Nf Salmon River at North Fork ID16.2 miLemhi County
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.

Sources: USGS monitoring location · NWS gauge & forecast