Yellowstone River near Sidney MT

Richland County, Montana · USGS gauge 06329500 · NWS SIDM8 · Yellowstone River flood status · Montana river levels

Is Yellowstone River near Sidney MT flooding right now?

Yellowstone River near Sidney MT measured 1.26 ft on 2026-09-11 01:00:00 UTC. That observation was 17.7 ft below its 19 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
1.26 ft
as of 77 min ago
Streamflow
2,720 cfs
data refreshed 15 min ago

Minor flooding here begins at 19 ft, with major flooding at 21.7 ft. The highest crest on record was 24.03 ft on Sun, Mar 6, 1994.

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
Action17 ft15.7 ft below
Minor flood19 ft17.7 ft below
Moderate flood20 ft18.7 ft below
Major flood21.7 ft20.4 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
24.03 ft1994-03-06
22.08 ft2011-03-19
21.92 ft2011-05-25
21.85 ft1947-03-22
21.67 ft1971-02-17

Nearby gauges

GaugeDistanceCounty
Yellowstone River No. 1 near Fairview, MT10.4 miMcKenzie County
Yellowstone River No. 2 near Cartwright, ND15.5 miMcKenzie County
Yellowstone River No. 3 near Buford, ND19.0 miMcKenzie County
Charbonneau Creek near Charbonneau, ND20.6 miMcKenzie County
Missouri River No. 6 near Buford, ND22.4 miMcKenzie 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