Major Flood
10 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.
Moderate Flood
9 ft
Minor Flood
8 ft
Action Stage
7.5 ft
What Floods at Each Level
8.5 ft
Flooding affects low lying areas adjacent to the river including homes and access roads. Sylvanite Ranger Station Road and Upper Ford Road affected by flooding.
8 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
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| May 19, 1954 | 11.4 ft | 13,400 cfs |
| May 26, 1948 | 11.1 ft | 12,500 cfs |
| May 20, 1956 | 9.7 ft | 9,356 cfs |
About This Gauge
Get Flood Alerts for Yaak 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 Yaak River near Troy?
The Yaak River near Troy gauge is maintained by USGS (site 12304500) 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 Yaak River near Troy?
The NWS-defined flood stage for Yaak River near Troy is 8 feet. Action stage begins at 7.5 feet. Moderate flooding starts at 9 feet, and major flooding at 10 feet.
How do I get alerts when Yaak River rises?
Download StormCast free on Google Play, go to River Gauges, and add Yaak River near Troy 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 Yaak River near Troy gauge located?
The gauge is located in Lincoln County, Montana at coordinates 48.5617°N, 115.9701°W. USGS site number: 12304500. 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