Sun River at Willow Creek Reservoir
Montana — Water Level & Flood Stage
Located in Lewis and Clark County, Montana on the Sun River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
This is an NWS forecast point (LID: WLLM8). Live data may be limited. View on NWS AHPS →
Flood Stages
Action Stage
4144 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
Loading chart data...
About This Gauge
NWS LID
WLLM8
River
Sun River
County
Lewis and Clark, MT
Coordinates
47.5467°N, 112.4292°W
Get Flood Alerts for Sun 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 Sun River at Willow Creek Reservoir?
The Sun River at Willow Creek Reservoir gauge is maintained by USGS 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 Sun River at Willow Creek Reservoir?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when Sun River rises?
Download StormCast free on Google Play, go to River Gauges, and add Sun River at Willow Creek Reservoir 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 Sun River at Willow Creek Reservoir gauge located?
The gauge is located in Lewis and Clark County, Montana at coordinates 47.5467°N, 112.4292°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Sun River
On This River
More Resources
Source & Notes
Data provided by: US Geological Survey
- Stage may be affected by ice during winter months.