Mill Creek (WA) near Walla Walla
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 5:30 AM PST 12/18/25
Status: Not Defined
Stage: 13.69 ft
Flow: 0.091 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 AM 12/18 | 13.82 | 0.115 |
| 4 PM 12/18 | 14.5 | 0.337 |
| 10 PM 12/18 | 16.12 | 1.42 |
| 4 AM 12/19 | 16.84 | 2.17 |
| 10 AM 12/19 | 16.8 | 2.12 |
| 4 PM 12/19 | 16.5 | 1.8 |
| 10 PM 12/19 | 16.19 | 1.48 |
| 4 AM 12/20 | 15.86 | 1.19 |
| 10 AM 12/20 | 15.46 | 0.886 |
| 4 PM 12/20 | 15.07 | 0.656 |
| 10 PM 12/20 | 14.77 | 0.492 |
| 4 AM 12/21 | 14.57 | 0.373 |
| 10 AM 12/21 | 14.44 | 0.308 |
| 4 PM 12/21 | 14.36 | 0.273 |
| 10 PM 12/21 | 14.34 | 0.264 |
| 4 AM 12/22 | 14.38 | 0.281 |
| 10 AM 12/22 | 14.43 | 0.304 |
| 4 PM 12/22 | 14.45 | 0.313 |
| 10 PM 12/22 | 14.45 | 0.313 |
| 4 AM 12/23 | 14.43 | 0.304 |
| 10 AM 12/23 | 14.4 | 0.29 |
| 4 PM 12/23 | 14.36 | 0.273 |
| 10 PM 12/23 | 14.31 | 0.252 |
| 4 AM 12/24 | 14.26 | 0.233 |
| 10 AM 12/24 | 14.3 | 0.248 |
| 4 PM 12/24 | 14.42 | 0.299 |
| 10 PM 12/24 | 14.5 | 0.337 |
| 4 AM 12/25 | 14.54 | 0.358 |
| 10 AM 12/25 | 14.54 | 0.358 |
| 4 PM 12/25 | 14.54 | 0.358 |
| 10 PM 12/25 | 14.51 | 0.342 |
| 4 AM 12/26 | 14.48 | 0.327 |
| 10 AM 12/26 | 14.44 | 0.308 |
| 4 PM 12/26 | 14.39 | 0.286 |
| 10 PM 12/26 | 14.35 | 0.268 |
| 4 AM 12/27 | 14.3 | 0.248 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:45 AM 12/18 | 13.69 | 0.091 |
| 5:30 AM 12/18 | 13.69 | 0.091 |
| 5:15 AM 12/18 | 13.68 | 0.089 |
| 5:00 AM 12/18 | 13.69 | 0.091 |
| 4:45 AM 12/18 | 13.69 | 0.091 |
| 4:30 AM 12/18 | 13.69 | 0.091 |
| 4:15 AM 12/18 | 13.69 | 0.091 |
| 4:00 AM 12/18 | 13.69 | 0.091 |
| 3:45 AM 12/18 | 13.69 | 0.091 |
| 3:30 AM 12/18 | 13.69 | 0.091 |
| 3:15 AM 12/18 | 13.69 | 0.091 |
| 3:00 AM 12/18 | 13.69 | 0.091 |
| 2:45 AM 12/18 | 13.69 | 0.091 |
| 2:30 AM 12/18 | 13.69 | 0.091 |
| 2:15 AM 12/18 | 13.69 | 0.091 |
| 2:00 AM 12/18 | 13.69 | 0.091 |
| 1:45 AM 12/18 | 13.69 | 0.091 |
| 1:30 AM 12/18 | 13.69 | 0.091 |
| 1:15 AM 12/18 | 13.69 | 0.091 |
| 1:00 AM 12/18 | 13.69 | 0.091 |
| 12:45 AM 12/18 | 13.69 | 0.091 |
| 12:30 AM 12/18 | 13.69 | 0.091 |
| 12:15 AM 12/18 | 13.7 | 0.092 |
| 12:00 AM 12/18 | 13.69 | 0.091 |
| 11:45 PM 12/17 | 13.69 | 0.091 |
| 11:30 PM 12/17 | 13.69 | 0.091 |
| 11:15 PM 12/17 | 13.7 | 0.092 |
| 11:00 PM 12/17 | 13.7 | 0.092 |
| 10:45 PM 12/17 | 13.7 | 0.092 |
| 10:30 PM 12/17 | 13.7 | 0.092 |
No flood impact data available for this location.
| Date | Stage (ft) |
|---|---|
| Feb 7, 2020 | 20.77 |
| Feb 9, 1996 | 20.43 |
| Dec 23, 1964 | 19.26 |
Data provided by the National Weather Service.