Ahtanum Creek at Union Gap
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 4:30 AM PST 12/16/25
Status: Not Defined
Stage: 4.39 ft
Flow: 0.18 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:30 AM 12/16 | 4.39 | 0.18 |
| 4:15 AM 12/16 | 4.39 | 0.18 |
| 4:00 AM 12/16 | 4.38 | 0.179 |
| 3:45 AM 12/16 | 4.37 | 0.177 |
| 3:30 AM 12/16 | 4.37 | 0.177 |
| 3:15 AM 12/16 | 4.38 | 0.179 |
| 3:00 AM 12/16 | 4.37 | 0.177 |
| 2:45 AM 12/16 | 4.37 | 0.177 |
| 2:30 AM 12/16 | 4.37 | 0.177 |
| 2:15 AM 12/16 | 4.37 | 0.177 |
| 2:00 AM 12/16 | 4.37 | 0.177 |
| 1:45 AM 12/16 | 4.37 | 0.177 |
| 1:30 AM 12/16 | 4.37 | 0.177 |
| 1:15 AM 12/16 | 4.37 | 0.177 |
| 1:00 AM 12/16 | 4.37 | 0.177 |
| 12:45 AM 12/16 | 4.38 | 0.179 |
| 12:30 AM 12/16 | 4.38 | 0.179 |
| 12:15 AM 12/16 | 4.37 | 0.177 |
| 12:00 AM 12/16 | 4.39 | 0.18 |
| 11:45 PM 12/15 | 4.38 | 0.179 |
| 11:30 PM 12/15 | 4.38 | 0.179 |
| 11:15 PM 12/15 | 4.37 | 0.177 |
| 11:00 PM 12/15 | 4.36 | 0.176 |
| 10:45 PM 12/15 | 4.36 | 0.176 |
| 10:30 PM 12/15 | 4.36 | 0.176 |
| 10:15 PM 12/15 | 4.35 | 0.174 |
| 10:00 PM 12/15 | 4.34 | 0.173 |
| 9:45 PM 12/15 | 4.34 | 0.173 |
| 9:30 PM 12/15 | 4.33 | 0.171 |
| 9:15 PM 12/15 | 4.34 | 0.173 |
No flood impact data available for this location.
| Date | Stage (ft) |
|---|---|
| Jan 16, 1974 | 10.36 |
Data provided by the National Weather Service.
