Swan River near Bigfork
Montana — Water Level & Flood Stage
Located in Lake County, Montana on the Swan River. Live water level data from USGS gauge 12370000, updated every 15 minutes.
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
Flood Stages
Major Flood
8 ft
Moderate Flood
7.5 ft
Minor Flood
6.5 ft
Action Stage
6 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
7 ft
Flooding is possible in the Rippling Waters area near Ferndale.
6.6 ft
Flooding affects low lying areas north of Lion Creek Road and adjacent to the river.
6.5 ft
Flooding affects low lying areas adjacent to the river.
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 19, 1974 | 7.34 ft | 8,890 cfs |
| Jun 19, 1974 | 7.34 ft | 8,890 cfs |
| May 17, 1997 | 7.27 ft | 8,520 cfs |
| May 17, 1997 | 7.27 ft | 8,520 cfs |
| May 23, 1948 | 7.12 ft | 8,400 cfs |
About This Gauge
Get Flood Alerts for Swan 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 Swan River near Bigfork?
The Swan River near Bigfork gauge is maintained by USGS (site 12370000) 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 Swan River near Bigfork?
The NWS-defined flood stage for Swan River near Bigfork is 6.5 feet. Action stage begins at 6 feet. Moderate flooding starts at 7.5 feet, and major flooding at 8 feet.
How do I get alerts when Swan River rises?
Download StormCast free on Google Play, go to River Gauges, and add Swan River near Bigfork 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 Swan River near Bigfork gauge located?
The gauge is located in Lake County, Montana at coordinates 48.0244°N, 113.9789°W. USGS site number: 12370000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey