StormCast — Weather & Emergency Alerts

Middle Fork Flathead River near West Glacier
Montana — Water Level & Flood Stage

Located in Flathead County, Montana on the Middle Fork Flathead River. Live water level data from USGS gauge 12358500, 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

Major Flood

18 ft

Moderate Flood

14 ft

Minor Flood

10 ft

Action Stage

9 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

18 ft

Flooding affecting low lying areas adjacent to the river will occur. Many roads will be inundated with flood water and become impassable.

14 ft

Flooding to low lying areas adjacent to the river will occur. Roads and homes may experience flooding due to backwater.

10 ft

Flooding to low lying areas adjacent to the river is possible. Flooding to homes and agricultural lands is also possible.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
Jun 8, 196436.46 ft140,000 cfs
Jun 8, 196436.46 ft140,000 cfs
Jun 19, 197519.42 ft63,600 cfs
Jun 19, 197519.42 ft63,600 cfs
May 19, 195413.01 ft37,500 cfs

About This Gauge

USGS Site

12358500

NWS LID

WGCM8

River

Middle Fork Flathead River

County

Flathead, MT

Coordinates

48.4953°N, 114.0092°W

Get Flood Alerts for Middle Fork 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.

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Frequently Asked Questions

What is the current water level of Middle Fork Flathead River near West Glacier?

The Middle Fork Flathead River near West Glacier gauge is maintained by USGS (site 12358500) 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 Middle Fork Flathead River near West Glacier?

The NWS-defined flood stage for Middle Fork Flathead River near West Glacier is 10 feet. Action stage begins at 9 feet. Moderate flooding starts at 14 feet, and major flooding at 18 feet.

How do I get alerts when Middle Fork Flathead River rises?

Download StormCast free on Google Play, go to River Gauges, and add Middle Fork Flathead River near West Glacier 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 Middle Fork Flathead River near West Glacier gauge located?

The gauge is located in Flathead County, Montana at coordinates 48.4953°N, 114.0092°W. USGS site number: 12358500. 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