Rivers in Idaho
Henrys Fork at St Anthony
Below flood stage
3.16ftStage
Observed Sun, Sep 27, 6:45 PM MDT
- Flood stage
- 7.00 ft
- Forecast crest
- 3.17 ftTue, Sep 29, 12:00 PM MDT
- Record crest
- 8.84 ft2011
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 11.00 ft |
| Moderate flood | 8.20 ft |
| Minor flood | 7.00 ft |
| Action | 6.50 ft |
- 11.00 ftExtensive flooding and road closures.
- 9.00 ftFlooding near homes across from Keefer Island in St. Anthony.
- 8.50 ftWater 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 ftFlooding 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.
- 7.30 ftFlooding near Del Rio Bridge.
- 7.00 ftFlooding will occur on Parker-Salem Road (N. 1900 E). Pastureland between the river and US Highway 20 will have minor flooding.
Crest history
37 crests on NOAA’s list since 1970.
| # | Date | Stage |
|---|---|---|
| 1 | June 8, 2011 | 8.84 ft |
| 2 | May 16, 1984 | 8.62 ft |
| 3 | June 4, 1975 | 7.77 ft |
| 4 | May 30, 1997 | 7.57 ft |
| 5 | May 17, 1996 | 7.49 ft |
| 6 | June 3, 1999 | 7.38 ft |
| 7 | May 28, 1970 | 7.32 ft |
| 8 | June 9, 1981 | 7.32 ft |
| 9 | May 26, 1983 | 7.25 ft |
| 10 | May 19, 1976 | 7.25 ft |
| 11 | June 8, 2010 | 7.19 ft |
| 12 | May 19, 1982 | 7.15 ft |
| 13 | June 6, 1974 | 7.09 ft |
| 14 | May 13, 1971 | 7.07 ft |
| 15 | May 12, 1995 | 6.90 ft |
| 16 | May 15, 1993 | 6.86 ft |
| 17 | May 19, 2008 | 6.69 ft |
| 18 | May 4, 1985 | 6.67 ft |
| 19 | May 8, 2006 | 6.51 ft |
| 20 | May 7, 1998 | 6.44 ft |
| 21 | May 4, 1986 | 6.43 ft |
| 22 | May 18, 1991 | 6.27 ft |
| 23 | April 28, 2018 | 6.09 ft |
| 24 | April 27, 2012 | 5.96 ft |
| 25 | May 17, 2019 | 5.85 ft |
Most recent crests
- June 14, 2022: 5.80 ft
- May 1, 2021: 4.96 ft
- April 30, 2020: 5.67 ft
- May 17, 2019: 5.85 ft
- April 28, 2018: 6.09 ft
- May 10, 2017: 5.75 ft
- April 24, 2016: 5.20 ft
- May 17, 2015: 4.77 ft
- May 5, 2014: 5.34 ft
- May 14, 2013: 4.93 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round. Stage may be affected by ice during winter months.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.