Ahtanum Creek at Union Gap
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 5:30 PM PST 12/17/25
Status: Not Defined
Stage: 4.99 ft
Flow: 0.278 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 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 |
| 4:00 PM 12/17 | 4.89 | 0.261 |
| 3:45 PM 12/17 | 4.86 | 0.256 |
| 3:30 PM 12/17 | 4.84 | 0.252 |
| 3:15 PM 12/17 | 4.82 | 0.249 |
| 3:00 PM 12/17 | 4.81 | 0.247 |
| 2:45 PM 12/17 | 4.78 | 0.242 |
| 2:30 PM 12/17 | 4.75 | 0.237 |
| 2:15 PM 12/17 | 4.74 | 0.236 |
| 2:00 PM 12/17 | 4.73 | 0.234 |
| 1:45 PM 12/17 | 4.71 | 0.231 |
| 1:30 PM 12/17 | 4.69 | 0.227 |
| 1:15 PM 12/17 | 4.68 | 0.226 |
| 1:00 PM 12/17 | 4.66 | 0.222 |
| 12:45 PM 12/17 | 4.64 | 0.219 |
| 12:30 PM 12/17 | 4.62 | 0.216 |
| 12:15 PM 12/17 | 4.61 | 0.214 |
| 12:00 PM 12/17 | 4.59 | 0.211 |
| 11:45 AM 12/17 | 4.58 | 0.21 |
| 11:30 AM 12/17 | 4.56 | 0.206 |
| 11:15 AM 12/17 | 4.55 | 0.205 |
| 11:00 AM 12/17 | 4.52 | 0.2 |
| 10:45 AM 12/17 | 4.52 | 0.2 |
| 10:30 AM 12/17 | 4.49 | 0.196 |
| 10:15 AM 12/17 | 4.48 | 0.194 |
No flood impact data available for this location.
| Date | Stage (ft) |
|---|---|
| Jan 16, 1974 | 10.36 |
Data provided by the National Weather Service.
