Action Stage
3820 ft
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: HVDM8). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
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
HVDM8
River
Missouri River
County
Lewis and Clark, MT
Coordinates
46.6381°N, 111.8822°W
Get Flood Alerts for Missouri 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 Missouri River at Helena Valley Reservoir?
The Missouri River at Helena Valley 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 Missouri River at Helena Valley Reservoir?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when Missouri River rises?
Download StormCast free on Google Play, go to River Gauges, and add Missouri River at Helena Valley Reservoir 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 Missouri River at Helena Valley Reservoir gauge located?
The gauge is located in Lewis and Clark County, Montana at coordinates 46.6381°N, 111.8822°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Missouri River
On This River
Upstream: Prickly Pear Creek near Clancy