RIVER GAUGE · YELLOWSTONE RIVER
Yellowstone River near Sidney
Richland County, Montana
Water level1.41 ft
Flow3,030 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action17 ft
Minor flood19 ft
Moderate flood20 ft
Major flood21.7 ft
The past week
Loading chart…
What floods at each level
- 28.2 ft
Ice jam will threaten city bridges.
- 28.2 ft
Ice jam will threaten city bridges.
- 24 ft
Severe ice jamming may threaten city bridges.
- 21 ft
Richland Park north of Sidney begins to flood.
- 19 ft
Flood stage. Expect low-land flooding to occur.
- 14 ft
At stages of 14.0 feet and higher combined with 60,000 cfs or more will create under tow which can sweep people under water.
- 2.8 ft
At river levels of 2.8 feet and lower, MDU power plant in Sidney needs to shut down due to lack of water in its intake pipe for the cooling towers.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 5, 1994 | 24.03 ft | 75,000 cfs |
| Mar 19, 2011 | 22.08 ft | — |
| May 25, 2011 | 21.92 ft | 114,280 cfs |
When the water runs low
- 2.8
MDU Power Plant shuts down when river level falls below 2.8 feet.
More on Yellowstone River
UpstreamYellowstone River at Glendive
Get an alert when Yellowstone River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

