Nf Big Wood River near Sawtooth Nra Hq near Ketchum ID

Blaine County, Idaho · USGS gauge 13135520 · NWS NFBI1 · Idaho river levels

Nearby: river levels near Ketchum

Is Nf Big Wood River near Sawtooth Nra Hq near Ketchum ID flooding right now?

Nf Big Wood River near Sawtooth Nra Hq near Ketchum ID measured 4.95 ft on 2026-09-11 01:30:00 UTC. That observation was 2.3 ft below its 7.3 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
4.95 ft
as of 51 min ago
Streamflow
22 cfs
data refreshed 3 min ago

Minor flooding here begins at 7.3 ft. The highest crest on record was 7.48 ft on Thu, Jun 8, 2017.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action6.8 ft1.8 ft below
Minor flood7.3 ft2.3 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
7.48 ft2017-06-08
7.32 ft2022-06-12
7.01 ft2019-06-07
6.98 ft2012-06-04
6.74 ft2016-06-05

Nearby gauges

GaugeDistanceCounty
Big Wood River near Ketchum ID0.3 miBlaine County
Big Wood River at Sage Rd Bridge near Ketchum, ID4.4 miBlaine County
Trail Creek near Sun Valley, ID6.4 miBlaine County
Warm Springs Creek near Ketchum ID6.9 miBlaine County
Big Wood River at Ketchum, ID7.1 miBlaine 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