Imnaha River at Imnaha
Critical Stages
5' - Action
5.5' - Flood
7' - Moderate
9' - Major
Latest Observation
Updated: 5:00 AM PST 12/5/25
Status: No Flooding
Stage: 1.86 ft
Flow: 0.15 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 AM 12/5 | 1.79 | 0.13 |
| 4 PM 12/5 | 1.8 | 0.133 |
| 10 PM 12/5 | 1.8 | 0.133 |
| 4 AM 12/6 | 1.81 | 0.136 |
| 10 AM 12/6 | 1.85 | 0.147 |
| 4 PM 12/6 | 1.92 | 0.169 |
| 10 PM 12/6 | 1.98 | 0.186 |
| 4 AM 12/7 | 2.02 | 0.198 |
| 10 AM 12/7 | 2.03 | 0.201 |
| 4 PM 12/7 | 2.02 | 0.198 |
| 10 PM 12/7 | 2 | 0.192 |
| 4 AM 12/8 | 1.98 | 0.186 |
| 10 AM 12/8 | 1.96 | 0.18 |
| 4 PM 12/8 | 1.94 | 0.174 |
| 10 PM 12/8 | 1.93 | 0.171 |
| 4 AM 12/9 | 1.93 | 0.171 |
| 10 AM 12/9 | 1.96 | 0.18 |
| 4 PM 12/9 | 2.08 | 0.217 |
| 10 PM 12/9 | 2.28 | 0.288 |
| 4 AM 12/10 | 2.49 | 0.376 |
| 10 AM 12/10 | 2.69 | 0.473 |
| 4 PM 12/10 | 2.85 | 0.56 |
| 10 PM 12/10 | 2.99 | 0.643 |
| 4 AM 12/11 | 3.11 | 0.72 |
| 10 AM 12/11 | 3.2 | 0.781 |
| 4 PM 12/11 | 3.24 | 0.809 |
| 10 PM 12/11 | 3.23 | 0.802 |
| 4 AM 12/12 | 3.19 | 0.774 |
| 10 AM 12/12 | 3.13 | 0.733 |
| 4 PM 12/12 | 3.05 | 0.681 |
| 10 PM 12/12 | 2.97 | 0.631 |
| 4 AM 12/13 | 2.88 | 0.577 |
| 10 AM 12/13 | 2.79 | 0.526 |
| 4 PM 12/13 | 2.71 | 0.483 |
| 10 PM 12/13 | 2.63 | 0.443 |
| 4 AM 12/14 | 2.56 | 0.409 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:00 AM 12/5 | 1.86 | 0.15 |
| 4:45 AM 12/5 | 1.85 | 0.147 |
| 4:30 AM 12/5 | 1.85 | 0.147 |
| 4:15 AM 12/5 | 1.85 | 0.147 |
| 4:00 AM 12/5 | 1.85 | 0.147 |
| 3:45 AM 12/5 | 1.85 | 0.147 |
| 3:30 AM 12/5 | 1.85 | 0.147 |
| 3:15 AM 12/5 | 1.85 | 0.147 |
| 3:00 AM 12/5 | 1.85 | 0.147 |
| 2:45 AM 12/5 | 1.85 | 0.147 |
| 2:30 AM 12/5 | 1.85 | 0.147 |
| 2:15 AM 12/5 | 1.85 | 0.147 |
| 2:00 AM 12/5 | 1.86 | 0.15 |
| 1:45 AM 12/5 | 1.85 | 0.147 |
| 1:30 AM 12/5 | 1.85 | 0.147 |
| 1:15 AM 12/5 | 1.86 | 0.15 |
| 1:00 AM 12/5 | 1.85 | 0.147 |
| 12:45 AM 12/5 | 1.85 | 0.147 |
| 12:30 AM 12/5 | 1.86 | 0.15 |
| 12:15 AM 12/5 | 1.86 | 0.15 |
| 12:00 AM 12/5 | 1.86 | 0.15 |
| 11:45 PM 12/4 | 1.86 | 0.15 |
| 11:30 PM 12/4 | 1.86 | 0.15 |
| 11:15 PM 12/4 | 1.86 | 0.15 |
| 11:00 PM 12/4 | 1.86 | 0.15 |
| 10:45 PM 12/4 | 1.86 | 0.15 |
| 10:30 PM 12/4 | 1.86 | 0.15 |
| 10:15 PM 12/4 | 1.86 | 0.15 |
| 10:00 PM 12/4 | 1.85 | 0.147 |
| 9:45 PM 12/4 | 1.86 | 0.15 |
5.5' -
At 5.5 feet low land areas along the river see minor flooding
| Date | Stage (ft) |
|---|---|
| Jan 1, 1997 | 11.44 |
| Jan 17, 1974 | 7.86 |
| Apr 27, 1978 | 7.61 |
| May 26, 1998 | 7.06 |
| May 28, 1948 | 7.06 |
| May 16, 2011 | 6.8 |
| May 19, 1957 | 6.8 |
| May 23, 1942 | 6.7 |
| May 15, 1975 | 6.37 |
| May 7, 1995 | 6.29 |
| May 1, 1938 | 6.27 |
| May 4, 1971 | 6.25 |
| May 23, 1967 | 6.08 |
| Jun 5, 2010 | 6.07 |
| May 27, 1956 | 6.05 |
| Dec 12, 1995 | 5.95 |
| Apr 27, 2012 | 5.94 |
| Apr 20, 1997 | 5.92 |
| May 23, 1998 | 5.9 |
| Apr 9, 2019 | 5.63 |
Data provided by the National Weather Service.
