Major Flood
21.7 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
20 ft
Minor Flood
19 ft
Action Stage
17 ft
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.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
2.8
MDU Power Plant shuts down when river level falls below 2.8 feet.
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | 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 |
About This Gauge
USGS Site
NWS LID
SIDM8
River
Yellowstone River
County
Richland, MT
Coordinates
47.6775°N, 104.1553°W
Get Flood Alerts for Yellowstone River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Yellowstone River near Sidney?
The Yellowstone River near Sidney gauge is maintained by USGS (site 06329500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Yellowstone River near Sidney?
The NWS-defined flood stage for Yellowstone River near Sidney is 19 feet. Action stage begins at 17 feet. Moderate flooding starts at 20 feet, and major flooding at 21.7 feet.
How do I get alerts when Yellowstone River rises?
Download StormCast free on Google Play, go to River Gauges, and add Yellowstone River near Sidney to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Yellowstone River near Sidney gauge located?
The gauge is located in Richland County, Montana at coordinates 47.6775°N, 104.1553°W. USGS site number: 06329500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Yellowstone River
On This River
Upstream: Yellowstone River at Glendive
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice during winter months.