Flathead River near Polson
Montana — Water Level & Flood Stage
Located in Lake County, Montana on the Flathead River. Live water level data from USGS gauge 12372000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Minor Flood
18 ft
67,000 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
18 ft
Flooding to agricultural land in the vicinity of Dixon. Cattle may be stranded in low lying areas next to the river.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| May 31, 1894 | 21 ft | 110,000 cfs |
| May 31, 1894 | 21 ft | 110,000 cfs |
| May 25, 1980 | 19.3 ft | 61,800 cfs |
| May 25, 1980 | 19.3 ft | 61,800 cfs |
| Jun 5, 1948 | 19.15 ft | 73,200 cfs |
About This Gauge
Get Flood Alerts for Flathead 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 Flathead River near Polson?
The Flathead River near Polson gauge is maintained by USGS (site 12372000) 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 Flathead River near Polson?
The NWS-defined flood stage for Flathead River near Polson is 18 feet. Action stage begins at N/A feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Flathead River rises?
Download StormCast free on Google Play, go to River Gauges, and add Flathead River near Polson to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Flathead River near Polson gauge located?
The gauge is located in Lake County, Montana at coordinates 47.6803°N, 114.2458°W. USGS site number: 12372000. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey