Tomahawk River at Willow Reservoir
Wisconsin — Water Level & Flood Stage
Located in Oneida County, Wisconsin on the Tomahawk River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: WILW3). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
1536 ft
Moderate Flood
1535 ft
Minor Flood
1533 ft
Action Stage
1530 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
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About This Gauge
NWS LID
WILW3
River
Tomahawk River
County
Oneida, WI
Coordinates
45.7128°N, 89.8450°W
Get Flood Alerts for Tomahawk 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 Tomahawk River at Willow Reservoir?
The Tomahawk River at Willow 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 Tomahawk River at Willow Reservoir?
The NWS-defined flood stage for Tomahawk River at Willow Reservoir is 1533 feet. Action stage begins at 1530 feet. Moderate flooding starts at 1535 feet, and major flooding at 1536 feet.
How do I get alerts when Tomahawk River rises?
Download StormCast free on Google Play, go to River Gauges, and add Tomahawk River at Willow 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 Tomahawk River at Willow Reservoir gauge located?
The gauge is located in Oneida County, Wisconsin at coordinates 45.7128°N, 89.8450°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Wisconsin Valley Improvement Co
- Gauge reading affected by reservoir operations.
- Stage may be affected by ice.