Imnaha River at Imnaha
Critical Stages
5' - Action
5.5' - Flood
7' - Moderate
9' - Major
Latest Observation
Updated: 5:00 AM PST 12/18/25
Status: No Flooding
Stage: 2.34 ft
Flow: 0.312 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 AM 12/18 | 2.32 | 0.304 |
| 4 PM 12/18 | 2.3 | 0.296 |
| 10 PM 12/18 | 2.29 | 0.292 |
| 4 AM 12/19 | 2.35 | 0.316 |
| 10 AM 12/19 | 2.54 | 0.399 |
| 4 PM 12/19 | 2.77 | 0.515 |
| 10 PM 12/19 | 2.96 | 0.625 |
| 4 AM 12/20 | 3.06 | 0.687 |
| 10 AM 12/20 | 3.08 | 0.7 |
| 4 PM 12/20 | 3.04 | 0.674 |
| 10 PM 12/20 | 2.96 | 0.625 |
| 4 AM 12/21 | 2.87 | 0.571 |
| 10 AM 12/21 | 2.77 | 0.515 |
| 4 PM 12/21 | 2.67 | 0.463 |
| 10 PM 12/21 | 2.58 | 0.418 |
| 4 AM 12/22 | 2.5 | 0.381 |
| 10 AM 12/22 | 2.43 | 0.35 |
| 4 PM 12/22 | 2.37 | 0.324 |
| 10 PM 12/22 | 2.32 | 0.304 |
| 4 AM 12/23 | 2.27 | 0.285 |
| 10 AM 12/23 | 2.23 | 0.27 |
| 4 PM 12/23 | 2.2 | 0.259 |
| 10 PM 12/23 | 2.17 | 0.248 |
| 4 AM 12/24 | 2.14 | 0.237 |
| 10 AM 12/24 | 2.12 | 0.231 |
| 4 PM 12/24 | 2.11 | 0.227 |
| 10 PM 12/24 | 2.1 | 0.224 |
| 4 AM 12/25 | 2.1 | 0.224 |
| 10 AM 12/25 | 2.1 | 0.224 |
| 4 PM 12/25 | 2.1 | 0.224 |
| 10 PM 12/25 | 2.09 | 0.221 |
| 4 AM 12/26 | 2.08 | 0.217 |
| 10 AM 12/26 | 2.06 | 0.211 |
| 4 PM 12/26 | 2.06 | 0.211 |
| 10 PM 12/26 | 2.05 | 0.208 |
| 4 AM 12/27 | 2.04 | 0.204 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:00 AM 12/18 | 2.34 | 0.312 |
| 4:45 AM 12/18 | 2.35 | 0.316 |
| 4:30 AM 12/18 | 2.36 | 0.32 |
| 4:15 AM 12/18 | 2.36 | 0.32 |
| 4:00 AM 12/18 | 2.36 | 0.32 |
| 3:45 AM 12/18 | 2.37 | 0.324 |
| 3:30 AM 12/18 | 2.36 | 0.32 |
| 3:15 AM 12/18 | 2.38 | 0.329 |
| 3:00 AM 12/18 | 2.38 | 0.329 |
| 2:45 AM 12/18 | 2.39 | 0.333 |
| 2:30 AM 12/18 | 2.39 | 0.333 |
| 2:15 AM 12/18 | 2.4 | 0.337 |
| 2:00 AM 12/18 | 2.4 | 0.337 |
| 1:45 AM 12/18 | 2.41 | 0.341 |
| 1:30 AM 12/18 | 2.42 | 0.346 |
| 1:15 AM 12/18 | 2.42 | 0.346 |
| 1:00 AM 12/18 | 2.43 | 0.35 |
| 12:45 AM 12/18 | 2.43 | 0.35 |
| 12:30 AM 12/18 | 2.44 | 0.354 |
| 12:15 AM 12/18 | 2.44 | 0.354 |
| 12:00 AM 12/18 | 2.45 | 0.359 |
| 11:45 PM 12/17 | 2.46 | 0.363 |
| 11:30 PM 12/17 | 2.47 | 0.367 |
| 11:15 PM 12/17 | 2.47 | 0.367 |
| 11:00 PM 12/17 | 2.47 | 0.367 |
| 10:45 PM 12/17 | 2.47 | 0.367 |
| 10:30 PM 12/17 | 2.48 | 0.372 |
| 10:15 PM 12/17 | 2.48 | 0.372 |
| 10:00 PM 12/17 | 2.48 | 0.372 |
| 9:45 PM 12/17 | 2.47 | 0.367 |
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 28, 1948 | 7.06 |
| May 26, 1998 | 7.06 |
| May 19, 1957 | 6.8 |
| May 16, 2011 | 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.
