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| SACRAMENTO RIVER - COLUSA WEIR (CLAC1) | ||||||||||||||||||
| Latitude: 39.24º N | Longitude: 121.99º W | Elevation: 62 Feet | ||||||||||||||||
| Location: Colusa County in CA | ||||||||||||||||||
| River Group: Upper Sacramento | ||||||||||||||||||
| Issuance Time: | Aug 11 2026 at 6:53 AM PDT |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. |
| 10-Day Accumulated Volume Plot |
| Tabular 10-Day Streamflow Volume Accumulation (1000s of Acre-Feet) Data Updated: Aug 11 2026 at 7:03 AM PDT | ||||||||||
| Prob | Aug 12 | Aug 13 | Aug 14 | Aug 15 | Aug 16 | |||||
| 10% (Max) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| 25% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| 50% (Prob) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| 75% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| 90% (Min) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| RFC FCST | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| Prob | Aug 17 | Aug 18 | Aug 19 | Aug 20 | Aug 21 | |||||
| 10% (Max) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| 25% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| 50% (Prob) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| 75% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| 90% (Min) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||
| Location Photographs | ||
| ESRI™ Locator Map |
| Flood Impacts | |
| 73.9 Feet | Stages above 73.9 feet result in major flooding. Top of levee. |
| 60.9 Feet | Colusa Weir crest elevation. Overflow begins into the Sutter Bypass. |