Snake River near Idaho Falls
Critical Stages
12.6' - Action
13.2' - Flood
Moderate
Major
Latest Observation
Updated: 1:15 PM MST 12/15/25
Status: No Flooding
Stage: 5.89 ft
Flow: 2.84 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5 PM 12/15 | 5.9 | 2.86 |
| 11 PM 12/15 | 5.88 | 2.83 |
| 5 AM 12/16 | 5.87 | 2.81 |
| 11 AM 12/16 | 5.86 | 2.79 |
| 5 PM 12/16 | 5.84 | 2.76 |
| 11 PM 12/16 | 5.83 | 2.74 |
| 5 AM 12/17 | 5.81 | 2.71 |
| 11 AM 12/17 | 5.8 | 2.69 |
| 5 PM 12/17 | 5.79 | 2.68 |
| 11 PM 12/17 | 5.78 | 2.66 |
| 5 AM 12/18 | 5.78 | 2.66 |
| 11 AM 12/18 | 5.79 | 2.68 |
| 5 PM 12/18 | 5.8 | 2.69 |
| 11 PM 12/18 | 5.82 | 2.73 |
| 5 AM 12/19 | 5.85 | 2.78 |
| 11 AM 12/19 | 5.87 | 2.81 |
| 5 PM 12/19 | 5.89 | 2.84 |
| 11 PM 12/19 | 5.9 | 2.86 |
| 5 AM 12/20 | 5.91 | 2.88 |
| 11 AM 12/20 | 5.92 | 2.89 |
| 5 PM 12/20 | 5.93 | 2.91 |
| 11 PM 12/20 | 5.93 | 2.91 |
| 5 AM 12/21 | 5.93 | 2.91 |
| 11 AM 12/21 | 5.94 | 2.93 |
| 5 PM 12/21 | 5.96 | 2.96 |
| 11 PM 12/21 | 5.97 | 2.98 |
| 5 AM 12/22 | 5.99 | 3.01 |
| 11 AM 12/22 | 6 | 3.03 |
| 5 PM 12/22 | 6 | 3.03 |
| 11 PM 12/22 | 6 | 3.03 |
| 5 AM 12/23 | 6.01 | 3.05 |
| 11 AM 12/23 | 6.01 | 3.05 |
| 5 PM 12/23 | 6.01 | 3.05 |
| 11 PM 12/23 | 6.01 | 3.05 |
| 5 AM 12/24 | 6.01 | 3.05 |
| 11 AM 12/24 | 6.03 | 3.08 |
| 5 PM 12/24 | 6.12 | 3.24 |
| 11 PM 12/24 | 6.27 | 3.51 |
| 5 AM 12/25 | 6.44 | 3.83 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1:15 PM 12/15 | 5.89 | 2.84 |
| 1:00 PM 12/15 | 5.89 | 2.84 |
| 12:45 PM 12/15 | 5.89 | 2.84 |
| 12:30 PM 12/15 | 5.88 | 2.83 |
| 12:15 PM 12/15 | 5.89 | 2.84 |
| 12:00 PM 12/15 | 5.89 | 2.84 |
| 11:45 AM 12/15 | 5.89 | 2.84 |
| 11:30 AM 12/15 | 5.89 | 2.84 |
| 11:15 AM 12/15 | 5.89 | 2.84 |
| 11:00 AM 12/15 | 5.89 | 2.84 |
| 10:45 AM 12/15 | 5.89 | 2.84 |
| 10:30 AM 12/15 | 5.89 | 2.84 |
| 10:15 AM 12/15 | 5.89 | 2.84 |
| 10:00 AM 12/15 | 5.9 | 2.86 |
| 9:45 AM 12/15 | 5.9 | 2.86 |
| 9:30 AM 12/15 | 5.89 | 2.84 |
| 9:15 AM 12/15 | 5.89 | 2.84 |
| 9:00 AM 12/15 | 5.9 | 2.86 |
| 8:45 AM 12/15 | 5.9 | 2.86 |
| 8:30 AM 12/15 | 5.9 | 2.86 |
| 8:15 AM 12/15 | 5.9 | 2.86 |
| 8:00 AM 12/15 | 5.9 | 2.86 |
| 7:45 AM 12/15 | 5.9 | 2.86 |
| 7:30 AM 12/15 | 5.9 | 2.86 |
| 7:15 AM 12/15 | 5.9 | 2.86 |
| 7:00 AM 12/15 | 5.9 | 2.86 |
| 6:45 AM 12/15 | 5.91 | 2.88 |
| 6:30 AM 12/15 | 5.91 | 2.88 |
| 6:15 AM 12/15 | 5.91 | 2.88 |
| 6:00 AM 12/15 | 5.91 | 2.88 |
13.2' -
Fields and low-lying areas near the river from the Roberts area downstream to near Idaho Falls will have minor flooding or seep/ponding of water. Walker boat launch and park will be flooded.
12.6' -
Fields and low-lying areas near the river from the Roberts area downstream to near Idaho Falls may experience seep and ponding.
| Date | Stage (ft) |
|---|---|
| Jun 16, 1997 | 18.91 |
| May 28, 2011 | 15.24 |
| Jun 2, 1999 | 14.85 |
| Jun 24, 2009 | 14.28 |
| Jun 16, 2017 | 14.16 |
| May 19, 1996 | 13.86 |
| Jun 3, 2018 | 13.81 |
| Jun 14, 2010 | 13.59 |
| May 24, 1995 | 13.07 |
| May 3, 2006 | 13.03 |
| Jun 9, 1993 | 12.96 |
| May 29, 1998 | 12.74 |
| Apr 28, 2019 | 12.64 |
| Jun 2, 2008 | 12.45 |
| Jun 7, 2020 | 11.82 |
| May 18, 2015 | 11.35 |
| May 21, 2013 | 11.14 |
| Jun 9, 2014 | 10.77 |
| Apr 29, 2012 | 10.42 |
| Aug 4, 2021 | 10.25 |
Data provided by the National Weather Service.
