Major Flood
17 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
15 ft
Minor Flood
13.5 ft
Action Stage
13 ft
What Floods at Each Level
18.5 ft
Inundation of Main, Franklin, and Washington Streets and all thoroughfares in between these and river.
13.5 ft
Front Street floods.
13 ft
Minor flooding of sidewalk along left bank of river.
10 ft
Right bank bankfull with overflow into willows.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jun 5, 1908 | 18.5 ft | 140,000 cfs |
| Feb 8, 1996 | 16.39 ft | — |
| Jan 11, 1968 | 14.37 ft | — |
About This Gauge
USGS Site
NWS LID
FBNM8
River
Missouri River
County
Chouteau, MT
Coordinates
47.8169°N, 110.6661°W
Get Flood Alerts for Missouri 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 Missouri River at Fort Benton?
The Missouri River at Fort Benton gauge is maintained by USGS (site 06090800) 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 Missouri River at Fort Benton?
The NWS-defined flood stage for Missouri River at Fort Benton is 13.5 feet. Action stage begins at 13 feet. Moderate flooding starts at 15 feet, and major flooding at 17 feet.
How do I get alerts when Missouri River rises?
Download StormCast free on Google Play, go to River Gauges, and add Missouri River at Fort Benton 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 Missouri River at Fort Benton gauge located?
The gauge is located in Chouteau County, Montana at coordinates 47.8169°N, 110.6661°W. USGS site number: 06090800. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Missouri River
On This River
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.