Major Flood
11 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
8.2 ft
Minor Flood
7 ft
Action Stage
6.5 ft
What Floods at Each Level
11 ft
Extensive flooding and road closures.
9 ft
Flooding near homes across from Keefer Island in St. Anthony.
8.5 ft
Water will impact some county roads. Major flooding of farmland will occur. Flooding over South River Road near St. Anthony. Flood waters will flow over Keefer Island in St. Anthony.
8.19 ft
Flooding near Keefer Island. Flooding of out buildings and water seepage of homes along South River Road near St. Anthony. Extensive flooding of farm and pastureland near the river.
7.3 ft
Flooding near Del Rio Bridge.
7 ft
Flooding will occur on Parker-Salem Road (N. 1900 E). Pastureland between the river and US Highway 20 will have minor flooding.
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 |
|---|---|---|
| Jun 8, 2011 | 8.84 ft | 14,000 cfs |
| May 15, 1984 | 8.62 ft | 13,200 cfs |
| Jun 3, 1975 | 7.77 ft | 11,500 cfs |
About This Gauge
Get Flood Alerts for Henrys Fork
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 Henrys Fork at St Anthony?
The Henrys Fork at St Anthony gauge is maintained by USGS (site 13050500) 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 Henrys Fork at St Anthony?
The NWS-defined flood stage for Henrys Fork at St Anthony is 7 feet. Action stage begins at 6.5 feet. Moderate flooding starts at 8.2 feet, and major flooding at 11 feet.
How do I get alerts when Henrys Fork rises?
Download StormCast free on Google Play, go to River Gauges, and add Henrys Fork at St Anthony 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 Henrys Fork at St Anthony gauge located?
The gauge is located in Fremont County, Idaho at coordinates 43.9668°N, 111.6726°W. USGS site number: 13050500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Henrys Fork
On This River
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice during winter months.