Big Sandy River near Farson, WY

Sublette County, Wyoming · USGS gauge 09213500 · NWS BSRW4 · Big Sandy River flood status · Wyoming river levels

Nearby: river levels near Farson

Is Big Sandy River near Farson, WY flooding right now?

Big Sandy River near Farson, WY measured 3.67 ft on 2026-09-11 01:00:00 UTC. That observation was 8.3 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.67 ft
as of 2 hours ago
Streamflow
33 cfs
data refreshed 13 min ago

Minor flooding here begins at 12 ft, with major flooding at 14 ft. The highest crest on record was 8.46 ft on Tue, Jun 3, 1986.

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
Action10 ft6.3 ft below
Minor flood12 ft8.3 ft below
Moderate flood13 ft9.3 ft below
Major flood14 ft10.3 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
8.46 ft1986-06-03
8.45 ft1995-06-17
8.1 ft1972-06-09
8.09 ft2011-07-02
8.08 ft1965-06-12

Nearby gauges

GaugeDistanceCounty
Pacific Creek near Farson, WY16.8 miSweetwater County
Big Sandy River below Farson, WY17.8 miSweetwater County
East Fork River above East Fork Canal, near Boulder, WY23.9 miSublette County
East Fork River near Big Sandy, WY24.1 miSublette County
New Fork River near Big Piney, WY26.9 miSublette 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