River stage
Irwin, Snake River
- River level
- 5.98 ft
- Status
- Below flood stage
- 7-day change
- -0.23 ft
- Recent high
- 9.33 ft
- Recent low
- 5.98 ft
Last reported 2026-10-13 | NWS PALI1
- 30-day change
- -0.99 ft
- Average
- 7.95 ft
- Readings
- 121
- Data span
- 122 days
- Record crest
- 15.25 ft
In brief
The Snake River at Irwin, ID read 5.98 ft on Oct 13, 2026, 5.02 ft below action stage. That is 0.99 ft lower than 30 days earlier.
Source: National Weather Service gauge PALI1
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 15.25 ft | 1997-06-20 |
| 2 | 15.01 ft | 1997-06-19 |
| 3 | 13.31 ft | 1956-06-04 |
| 4 | 13.18 ft | 1954-06-28 |
| 5 | 12.69 ft | 1951-05-29 |
| 6 | 12.52 ft | 1950-07-03 |
| 7 | 12.26 ft | 1974-06-25 |
| 8 | 11.91 ft | 2017-06-13 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 11.00 ft
Fields aand low-lying areas near the river from Palisades Dam downstream to near Table Rock Canyon area may experience seep and ponding.
Written by the local National Weather Service forecast office for this exact gauge.
Trout stocking on the Snake River
IDFG stocked the Snake River 20 times in 2026, 71,020 fish in total. Rainbow Trout and Rainbow Trout - Triploid and White Sturgeon at Catchable (6+ inches) and Fry (0-3 inches). IDFG's published figures for 2026, the most recent season it has confirmed, record 70,893 trout actually released here across 20 visits.
| Species | Fish | When |
|---|---|---|
| Rainbow Trout | 3,000 | March 2026 |
| Rainbow Trout | 600 | April 2026 |
| Rainbow Trout | 600 | April 2026 |
| Rainbow Trout | 600 | April 2026 |
| Rainbow Trout | 600 | April 2026 |
| Rainbow Trout - Triploid | 49,728 | April 2026 |
| Rainbow Trout | 600 | May 2026 |
| Rainbow Trout | 600 | May 2026 |
| Rainbow Trout | 600 | May 2026 |
| Rainbow Trout | 600 | May 2026 |
| Rainbow Trout - Triploid | 3,000 | June 2026 |
| White Sturgeon | 64 | June 2026 |
| White Sturgeon | 63 | June 2026 |
| Rainbow Trout - Triploid | 3,000 | July 2026 |
| Rainbow Trout - Triploid | 600 | August 2026 |
| Rainbow Trout - Triploid | 600 | August 2026 |
| Rainbow Trout - Triploid | 600 | August 2026 |
| Rainbow Trout - Triploid | 600 | August 2026 |
| Rainbow Trout - Triploid | 3,000 | September 2026 |
| Rainbow Trout - Triploid | 1,965 | October 2026 |
IDFG lists a week or a month rather than a date, and counts fish as an estimate. Full Idaho stocking schedule →
Frequently asked questions
Is the Snake River flooding at Irwin?
No. The Snake River at Irwin is at 5.98 ft, 5.02 ft below action stage.
What is the flood stage at Irwin?
Action stage 11 ft is the first threshold.
What is the highest the Snake River has been at Irwin?
The highest crest on record is 15.25 ft, on 1997-06-20.
Is the Snake River high or low right now at Irwin?
At 5.98 ft it is higher than 0% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge PALI1); daily history from the U.S. Geological Survey (site 13032500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.