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Snake River near Heise
Critical Stages
6.25' - Action
8' - Flood
9.5' - Moderate
11' - Major
Latest Observation
Updated: 7:30 AM MST 12/14/25
Status: No Flooding
Stage: 1.58 ft
Flow: 1.27 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11 AM 12/14 | 1.61 | 1.29 |
| 5 PM 12/14 | 1.61 | 1.29 |
| 11 PM 12/14 | 1.61 | 1.29 |
| 5 AM 12/15 | 1.61 | 1.29 |
| 11 AM 12/15 | 1.6 | 1.29 |
| 5 PM 12/15 | 1.6 | 1.29 |
| 11 PM 12/15 | 1.6 | 1.29 |
| 5 AM 12/16 | 1.6 | 1.29 |
| 11 AM 12/16 | 1.6 | 1.29 |
| 5 PM 12/16 | 1.6 | 1.29 |
| 11 PM 12/16 | 1.59 | 1.28 |
| 5 AM 12/17 | 1.59 | 1.28 |
| 11 AM 12/17 | 1.6 | 1.29 |
| 5 PM 12/17 | 1.61 | 1.29 |
| 11 PM 12/17 | 1.63 | 1.31 |
| 5 AM 12/18 | 1.64 | 1.31 |
| 11 AM 12/18 | 1.64 | 1.31 |
| 5 PM 12/18 | 1.64 | 1.31 |
| 11 PM 12/18 | 1.64 | 1.31 |
| 5 AM 12/19 | 1.64 | 1.31 |
| 11 AM 12/19 | 1.63 | 1.31 |
| 5 PM 12/19 | 1.63 | 1.31 |
| 11 PM 12/19 | 1.63 | 1.31 |
| 5 AM 12/20 | 1.64 | 1.31 |
| 11 AM 12/20 | 1.64 | 1.31 |
| 5 PM 12/20 | 1.65 | 1.32 |
| 11 PM 12/20 | 1.65 | 1.32 |
| 5 AM 12/21 | 1.64 | 1.31 |
| 11 AM 12/21 | 1.64 | 1.31 |
| 5 PM 12/21 | 1.64 | 1.31 |
| 11 PM 12/21 | 1.64 | 1.31 |
| 5 AM 12/22 | 1.63 | 1.31 |
| 11 AM 12/22 | 1.63 | 1.31 |
| 5 PM 12/22 | 1.63 | 1.31 |
| 11 PM 12/22 | 1.62 | 1.3 |
| 5 AM 12/23 | 1.62 | 1.3 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 7:30 AM 12/14 | 1.58 | 1.27 |
| 7:15 AM 12/14 | 1.59 | 1.28 |
| 7:00 AM 12/14 | 1.59 | 1.28 |
| 6:45 AM 12/14 | 1.58 | 1.27 |
| 6:30 AM 12/14 | 1.59 | 1.28 |
| 6:15 AM 12/14 | 1.59 | 1.28 |
| 6:00 AM 12/14 | 1.59 | 1.28 |
| 5:45 AM 12/14 | 1.6 | 1.29 |
| 5:30 AM 12/14 | 1.59 | 1.28 |
| 5:15 AM 12/14 | 1.59 | 1.28 |
| 5:00 AM 12/14 | 1.59 | 1.28 |
| 4:45 AM 12/14 | 1.59 | 1.28 |
| 4:30 AM 12/14 | 1.59 | 1.28 |
| 4:15 AM 12/14 | 1.58 | 1.27 |
| 4:00 AM 12/14 | 1.58 | 1.27 |
| 3:45 AM 12/14 | 1.59 | 1.28 |
| 3:30 AM 12/14 | 1.58 | 1.27 |
| 3:15 AM 12/14 | 1.59 | 1.28 |
| 3:00 AM 12/14 | 1.58 | 1.27 |
| 2:45 AM 12/14 | 1.58 | 1.27 |
| 2:30 AM 12/14 | 1.58 | 1.27 |
| 2:15 AM 12/14 | 1.58 | 1.27 |
| 2:00 AM 12/14 | 1.58 | 1.27 |
| 1:45 AM 12/14 | 1.58 | 1.27 |
| 1:30 AM 12/14 | 1.58 | 1.27 |
| 1:15 AM 12/14 | 1.58 | 1.27 |
| 1:00 AM 12/14 | 1.58 | 1.27 |
| 12:45 AM 12/14 | 1.57 | 1.27 |
| 12:30 AM 12/14 | 1.58 | 1.27 |
| 12:15 AM 12/14 | 1.58 | 1.27 |
11' -
Major flooding in Menan-Roberts area. Interstate 15 may be closed due to flooding. County road bridges will begin to wash out.
9.5' -
Flooding can be expected in the Menan-Roberts area.
8' -
Flooding near the Warm Springs Resort area is possible.
6.25' -
Action Stage 6.25 ft. Actual flooding is limited to islands and bars and levees on both banks of the Snake River, between the US HWY 20 bridge and the Heise area. Channel changes, including flows into high water channels, may impinge upon levees in the reach and threaten their structural integrity, leading to a breach and possible flooding outside of the levee system. Actions by local agencies may include responding to potential breaches and conducting emergency repairs.
| Date | Stage (ft) |
|---|---|
| Jun 13, 1997 | 11.26 |
| Jun 23, 1943 | 10.04 |
| Jun 1, 1956 | 9.22 |
| May 29, 1951 | 9.11 |
| Jun 28, 1954 | 9.07 |
| May 16, 1936 | 8.8 |
| Jun 26, 1974 | 8.4 |
| Jun 14, 2017 | 8.36 |
| Jun 18, 1986 | 8.3 |
| Jun 17, 1963 | 8.14 |
| Jun 7, 2011 | 8.09 |
| Jul 11, 1981 | 8.09 |
| Jun 30, 1970 | 8.05 |
| Jun 11, 1981 | 8.05 |
| May 24, 1976 | 8.04 |
| Jun 27, 2009 | 7.83 |
| Jun 13, 2010 | 7.71 |
| Jun 19, 2018 | 7.66 |
| Jun 5, 2020 | 7.62 |
| Jun 9, 2014 | 7.23 |
Data provided by the National Weather Service.
