Ahtanum Creek at Union Gap
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 11:30 PM PST 12/17/25
Status: Not Defined
Stage: 5.23 ft
Flow: 0.32 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11:30 PM 12/17 | 5.23 | 0.32 |
| 11:15 PM 12/17 | 5.23 | 0.32 |
| 11:00 PM 12/17 | 5.23 | 0.32 |
| 10:45 PM 12/17 | 5.23 | 0.32 |
| 10:30 PM 12/17 | 5.23 | 0.32 |
| 10:15 PM 12/17 | 5.22 | 0.319 |
| 10:00 PM 12/17 | 5.22 | 0.319 |
| 9:45 PM 12/17 | 5.21 | 0.317 |
| 9:30 PM 12/17 | 5.21 | 0.317 |
| 9:15 PM 12/17 | 5.21 | 0.317 |
| 9:00 PM 12/17 | 5.2 | 0.315 |
| 8:45 PM 12/17 | 5.2 | 0.315 |
| 8:30 PM 12/17 | 5.19 | 0.313 |
| 8:15 PM 12/17 | 5.15 | 0.306 |
| 8:00 PM 12/17 | 5.17 | 0.31 |
| 7:45 PM 12/17 | 5.15 | 0.306 |
| 7:30 PM 12/17 | 5.13 | 0.303 |
| 7:15 PM 12/17 | 5.13 | 0.303 |
| 7:00 PM 12/17 | 5.1 | 0.297 |
| 6:45 PM 12/17 | 5.09 | 0.296 |
| 6:30 PM 12/17 | 5.08 | 0.294 |
| 6:15 PM 12/17 | 5.05 | 0.289 |
| 6:00 PM 12/17 | 5.04 | 0.287 |
| 5:45 PM 12/17 | 5.02 | 0.283 |
| 5:30 PM 12/17 | 4.99 | 0.278 |
| 5:15 PM 12/17 | 4.97 | 0.275 |
| 5:00 PM 12/17 | 4.96 | 0.273 |
| 4:45 PM 12/17 | 4.93 | 0.268 |
| 4:30 PM 12/17 | 4.93 | 0.268 |
| 4:15 PM 12/17 | 4.91 | 0.264 |
No flood impact data available for this location.
| Date | Stage (ft) |
|---|---|
| Jan 16, 1974 | 10.36 |
Data provided by the National Weather Service.
