Ahtanum Creek at Union Gap
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 4:30 AM PST 12/17/25
Status: Not Defined
Stage: 4.36 ft
Flow: 0.176 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:30 AM 12/17 | 4.37 | 0.177 |
| 5:15 AM 12/17 | 4.36 | 0.176 |
| 5:00 AM 12/17 | 4.37 | 0.177 |
| 4:45 AM 12/17 | 4.37 | 0.177 |
| 4:30 AM 12/17 | 4.36 | 0.176 |
| 4:15 AM 12/17 | 4.35 | 0.174 |
| 4:00 AM 12/17 | 4.35 | 0.174 |
| 3:45 AM 12/17 | 4.36 | 0.176 |
| 3:30 AM 12/17 | 4.35 | 0.174 |
| 3:15 AM 12/17 | 4.34 | 0.173 |
| 3:00 AM 12/17 | 4.34 | 0.173 |
| 2:45 AM 12/17 | 4.33 | 0.171 |
| 2:30 AM 12/17 | 4.32 | 0.17 |
| 2:15 AM 12/17 | 4.32 | 0.17 |
| 2:00 AM 12/17 | 4.32 | 0.17 |
| 1:45 AM 12/17 | 4.31 | 0.169 |
| 1:30 AM 12/17 | 4.31 | 0.169 |
| 1:15 AM 12/17 | 4.3 | 0.167 |
| 1:00 AM 12/17 | 4.3 | 0.167 |
| 12:45 AM 12/17 | 4.3 | 0.167 |
| 12:30 AM 12/17 | 4.29 | 0.166 |
| 12:15 AM 12/17 | 4.29 | 0.166 |
| 12:00 AM 12/17 | 4.29 | 0.166 |
| 11:45 PM 12/16 | 4.29 | 0.166 |
| 11:30 PM 12/16 | 4.3 | 0.167 |
| 11:15 PM 12/16 | 4.3 | 0.167 |
| 11:00 PM 12/16 | 4.3 | 0.167 |
| 10:45 PM 12/16 | 4.3 | 0.167 |
| 10:30 PM 12/16 | 4.3 | 0.167 |
| 10:15 PM 12/16 | 4.3 | 0.167 |
No flood impact data available for this location.
| Date | Stage (ft) |
|---|---|
| Jan 16, 1974 | 10.36 |
Data provided by the National Weather Service.
