Minor Flood
16 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.
Action Stage
14 ft
Low-Water Impacts
5 ft
Stage needed to inundate designated Gulf Sturgeon critical habitat below Jim Woodruff Lock and Dam.
3 ft
Temporary (not sustainable) operating level for of Scholz Power Plant
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 24, 2019 | 17.26 ft | — |
| Mar 21, 2017 | 16.48 ft | -9,999 cfs |
| Mar 8, 2025 | 13.65 ft | — |
About This Gauge
USGS Site
NWS LID
CLRM8
River
Big Muddy Creek
County
Roosevelt, MT
Coordinates
48.1644°N, 104.6294°W
Get Flood Alerts for Big Muddy Creek
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 Big Muddy Creek at US 2 west of Culbertson?
The Big Muddy Creek at US 2 west of Culbertson gauge is maintained by USGS (site 06185110) 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 Big Muddy Creek at US 2 west of Culbertson?
The NWS-defined flood stage for Big Muddy Creek at US 2 west of Culbertson is 16 feet. Action stage begins at 14 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Big Muddy Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Big Muddy Creek at US 2 west of Culbertson 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 Big Muddy Creek at US 2 west of Culbertson gauge located?
The gauge is located in Roosevelt County, Montana at coordinates 48.1644°N, 104.6294°W. USGS site number: 06185110. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Big Muddy Creek
On This River
Upstream: Big Muddy Creek near Antelope
More Resources
Source & Notes
Data provided by: Observations courtesy of US Geological Service