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SwedenHenrys Fork at St Anthony water level
River gauge, Henrys Fork, Idaho, United States
Right now
Below flood stage
Water level
- Flow
- 825 cfs
History
The forecast expects the river to rise to 3.49 ft by Saturday, October 24 at 12:00 AM. Issued Saturday, October 17 at 10:16 AM by NOAA National Weather Service.
What this means
Water levels are unremarkable at Henrys Fork at St Anthony, where the gauge shows 3.19 ft.
It is 3.81 ft below the flood stage of 7.00 ft.
It has barely moved over the past 24 hours. The forecast expects the river to rise to 3.49 ft by Saturday, October 24 at 12:00 AM. The 30-day range is 3.17 ft – 3.23 ft.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 8.84 ftJune 8, 2011
- Forecast peak
- 3.49 ftSaturday, October 24 at 12:00 AM
Paddling and fishing conditions
Most paddlers and anglers will find the river in good shape at this stage.
For reference, flood stage is 7.00 ft.
What happens at each level
- 11.00 ft
- Extensive flooding and road closures.
- 9.00 ft
- Flooding near homes across from Keefer Island in St. Anthony.
- 8.50 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.
- 7.30 ft
- Flooding near Del Rio Bridge.
- 7.00 ft
- Flooding will occur on Parker-Salem Road (N. 1900 E). Pastureland between the river and US Highway 20 will have minor flooding.
- 3.19 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 8.84 ft | June 8, 2011 |
| 2 | 8.62 ft | May 16, 1984 |
| 3 | 7.77 ft | June 4, 1975 |
| 4 | 7.57 ft | May 30, 1997 |
| 5 | 7.49 ft | May 17, 1996 |
| 6 | 7.38 ft | June 3, 1999 |
| 7 | 7.32 ft | May 28, 1970 |
| 8 | 7.32 ft | June 9, 1981 |
| 9 | 7.25 ft | May 26, 1983 |
| 10 | 7.25 ft | May 19, 1976 |
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Other gauges on Henrys Fork
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Henrys Fork near LakeRiver gauge, Henrys Fork | 0.3 cfs | Very low | ±0 | 46 mi |
| Henrys Fork near Island ParkRiver gauge, Henrys Fork | 94.0 cfs | Low | ±0 | 34 mi |
| Henrys Fork near AshtonRiver gauge, Henrys Fork | 622 cfs | Very low | −7.0 cfs | 11 mi |
| Henrys Fork near RexburgRiver gauge, Henrys Fork | 2.98 ft | Below flood stage | −0.08 ft | 15 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Teton River near St AnthonyRiver gauge, Teton River | 2.25 ft | Below flood stage | ±0 | 4.0 mi |
| Fall River near ChesterRiver gauge, Fall River | 2.21 ft | Below flood stage | ±0 | 6 mi |
| Nf Teton River near Sugar CityRiver gauge, Nf Teton River | 63.0 cfs | Normal | +13.1 cfs | 7 mi |
| Sf Teton River near RexburgRiver gauge, Sf Teton River | 79.1 cfs | Low | −18.3 cfs | 11 mi |
| Fall River near AshtonRiver gauge, Fall River | 450 cfs | Very low | −5.0 cfs | 17 mi |
| Snake River at LorenzoRiver gauge, Snake River | 1,350 cfs | Normal | −40.0 cfs | 19 mi |
| Snake River near MenanRiver gauge, Snake River | 1.90 ft | Below flood stage | −0.06 ft | 21 mi |
| Fall River near SquirrelRiver gauge, Fall River | 212 cfs | Very low | ±0 | 23 mi |
Questions and answers
What is flood stage for Henrys Fork at St Anthony?
The official flood stage is 7.00 ft. The level is currently 3.81 ft below it.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Henrys Fork at St Anthony today?
On Oct 18, 2026, 05:45 AM MDT, the water level was 3.19 ft. Steady over the last 24 hours.
Is Henrys Fork at St Anthony rising or falling?
Steady over the last 24 hours.
Is the level of Henrys Fork at St Anthony normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Henrys Fork at St Anthony?
The highest level on record is 8.84 ft on June 8, 2011.
Is Henrys Fork at St Anthony expected to rise?
The forecast expects the river to rise to 3.49 ft by Saturday, October 24 at 12:00 AM.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:13050500(Agency page)- Coordinates
43.96694, -111.67250(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 3.19 ft | 2026-10-18 11:45 | Provisional |
| Flow | 825 cfs | 2026-10-18 11:45 | Provisional |
Download
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How to cite
U.S. Geological Survey: Henrys Fork at St Anthony (usgs:13050500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/henrys-fork-at-st-anthony
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer