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Columbia River above Grand Coulee Dam
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 4:00 AM PST 12/6/25
Status: Not Defined
Stage: 1283.7 ft
Flow: -999 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 AM 12/6 | 1284.57 | -999 |
| 4 PM 12/6 | 1284.63 | -999 |
| 10 PM 12/6 | 1284.69 | -999 |
| 4 AM 12/7 | 1284.75 | -999 |
| 10 AM 12/7 | 1284.81 | -999 |
| 4 PM 12/7 | 1284.87 | -999 |
| 10 PM 12/7 | 1284.94 | -999 |
| 4 AM 12/8 | 1285.01 | -999 |
| 10 AM 12/8 | 1285.08 | -999 |
| 4 PM 12/8 | 1285.16 | -999 |
| 10 PM 12/8 | 1285.24 | -999 |
| 4 AM 12/9 | 1285.32 | -999 |
| 10 AM 12/9 | 1285.4 | -999 |
| 4 PM 12/9 | 1285.49 | -999 |
| 10 PM 12/9 | 1285.58 | -999 |
| 4 AM 12/10 | 1285.68 | -999 |
| 10 AM 12/10 | 1285.78 | -999 |
| 4 PM 12/10 | 1285.88 | -999 |
| 10 PM 12/10 | 1285.99 | -999 |
| 4 AM 12/11 | 1286.09 | -999 |
| 10 AM 12/11 | 1286.21 | -999 |
| 4 PM 12/11 | 1286.32 | -999 |
| 10 PM 12/11 | 1286.44 | -999 |
| 4 AM 12/12 | 1286.55 | -999 |
| 10 AM 12/12 | 1286.67 | -999 |
| 4 PM 12/12 | 1286.79 | -999 |
| 10 PM 12/12 | 1286.9 | -999 |
| 4 AM 12/13 | 1287.01 | -999 |
| 10 AM 12/13 | 1287.11 | -999 |
| 4 PM 12/13 | 1287.21 | -999 |
| 10 PM 12/13 | 1287.3 | -999 |
| 4 AM 12/14 | 1287.41 | -999 |
| 10 AM 12/14 | 1287.51 | -999 |
| 4 PM 12/14 | 1287.62 | -999 |
| 10 PM 12/14 | 1287.73 | -999 |
| 4 AM 12/15 | 1287.77 | -999 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:00 AM 12/6 | 1283.7 | -999 |
| 3:00 AM 12/6 | 1283.7 | -999 |
| 2:00 AM 12/6 | 1283.7 | -999 |
| 1:00 AM 12/6 | 1283.7 | -999 |
| 12:00 AM 12/6 | 1283.7 | -999 |
| 11:59 PM 12/5 | 1283.67 | -999 |
| 11:00 PM 12/5 | 1283.7 | -999 |
| 10:00 PM 12/5 | 1283.7 | -999 |
| 9:00 PM 12/5 | 1283.7 | -999 |
| 8:00 PM 12/5 | 1283.7 | -999 |
| 7:00 PM 12/5 | 1283.7 | -999 |
| 6:00 PM 12/5 | 1283.7 | -999 |
| 5:00 PM 12/5 | 1283.7 | -999 |
| 4:00 PM 12/5 | 1283.8 | -999 |
| 3:00 PM 12/5 | 1283.9 | -999 |
| 2:00 PM 12/5 | 1283.9 | -999 |
| 1:00 PM 12/5 | 1283.9 | -999 |
| 12:00 PM 12/5 | 1283.9 | -999 |
| 11:00 AM 12/5 | 1283.9 | -999 |
| 10:00 AM 12/5 | 1284 | -999 |
| 9:00 AM 12/5 | 1284 | -999 |
| 8:00 AM 12/5 | 1284 | -999 |
| 7:00 AM 12/5 | 1284.1 | -999 |
| 6:00 AM 12/5 | 1284.2 | -999 |
| 5:00 AM 12/5 | 1284.2 | -999 |
| 4:00 AM 12/5 | 1284.2 | -999 |
| 3:00 AM 12/5 | 1284.3 | -999 |
| 2:00 AM 12/5 | 1284.3 | -999 |
| 1:00 AM 12/5 | 1284.3 | -999 |
| 12:00 AM 12/5 | 1284.5 | -999 |
No flood impact data available for this location.
| Date | Stage (ft) |
|---|---|
| Aug 6, 1976 | 1290.36 |
| Jun 3, 1945 | 1290.3 |
| Jul 17, 1942 | 1290.3 |
| Jul 12, 2013 | 1289.71 |
| Jul 9, 2017 | 1289.67 |
| Jul 13, 2015 | 1289.62 |
| Jul 8, 2018 | 1289.6 |
| Jul 13, 2014 | 1289.57 |
| Jun 21, 2016 | 1288.44 |
Data provided by the National Weather Service.
