River stage
Blackfoot, Snake River
- River level
- 5.39 ft
- Status
- Below flood stage
- 7-day change
- +0.59 ft
- Recent high
- 6.75 ft
- Recent low
- 4.65 ft
Last reported 2026-10-13 | NWS SNAI1
- 30-day change
- -0.27 ft
- Average
- 5.72 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 13.55 ft
In brief
The Snake River at Blackfoot, ID read 5.39 ft on Oct 13, 2026, 4.11 ft below action stage. That is 0.27 ft lower than 30 days earlier.
Source: National Weather Service gauge SNAI1
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 13.55 ft | 1997-06-17 |
| 2 | 12.04 ft | 2011-05-28 |
| 3 | 11.26 ft | 2017-06-16 |
| 4 | 10.80 ft | 2018-06-04 |
| 5 | 10.74 ft | 1999-06-06 |
| 6 | 10.44 ft | 2009-06-25 |
| 7 | 10.35 ft | 2010-06-14 |
| 8 | 10.18 ft | 1984-05-18 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 9.50 ft
Minor flooding will occur near Rose. Minor lowland flooding is possible along the river downstream from Blackfoot.
- 10.50 ft
Minor lowland flooding will occur along sections of the river from Rose to Blackfoot and downstream from Blackfoot. Water may seep into Jensens Grove.
- 11.00 ft
Minor flooding will occur in the Riverton area and in the Watson slough area.
- 11.50 ft
Lowland flooding will occur. Flooding is possible along US Highway 26 beneath the Interstate 15 underpass.
- 12.60 ft
Major flooding will occur in the Rose area at the Rose Ponds along Interstate 15, and in the Riverton and Schrader Island area. At 12.0 feet, the water will come over the top of the levee at Rose Ponds.
- 13.00 ft
Major flooding will occur throughout Bingham County. Major damage will occur on farm ground and water could top over the top of the Highway 26 bridge at Interstate 15.
- 13.50 ft
Inundation of roads and parking lots will occur in the commercial area near the intersection of U.S. Route 26 and Interstate 15. Water is at least 1 foot above the loading docks at the Ridleys Plaza. Significant flooding of farmland and roads near the river is likely. Major flooding could occur in the Jensen's Grove area that could impact Walmart.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Snake River flooding at Blackfoot?
No. The Snake River at Blackfoot is at 5.39 ft, 4.11 ft below action stage.
What is the flood stage at Blackfoot?
The National Weather Service sets action stage 9.5 ft, minor flooding 10.5 ft, moderate flooding 11.5 ft and major flooding 13 ft.
What is the highest the Snake River has been at Blackfoot?
The highest crest on record is 13.55 ft, on 1997-06-17.
Is the Snake River high or low right now at Blackfoot?
At 5.39 ft it is higher than 37% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge SNAI1); daily history from the U.S. Geological Survey (site 13062500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.