| ||||||||||||||||||
| 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: | Jan 08 2026 at 2:21 PM PST |
| 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: Jan 08 2026 at 2:29 PM PST | ||||||||||
| Prob | Jan 09 | Jan 10 | Jan 11 | Jan 12 | Jan 13 | |||||
| 10% (Max) | 28.6 | 35.5 | 37.9 | 39.1 | 39.4 | |||||
| 25% | 28.6 | 35.5 | 37.9 | 39.1 | 39.4 | |||||
| 50% (Prob) | 28.6 | 35.5 | 37.9 | 39.1 | 39.4 | |||||
| 75% | 28.6 | 35.5 | 37.9 | 39.1 | 39.4 | |||||
| 90% (Min) | 28.6 | 35.5 | 37.9 | 39.1 | 39.4 | |||||
| RFC FCST | 28.6 | 35.5 | 37.9 | 39.1 | 39.4 | |||||
| Prob | Jan 14 | Jan 15 | Jan 16 | Jan 17 | Jan 18 | |||||
| 10% (Max) | 39.4 | 39.4 | 39.4 | 39.4 | 39.4 | |||||
| 25% | 39.4 | 39.4 | 39.4 | 39.4 | 39.4 | |||||
| 50% (Prob) | 39.4 | 39.4 | 39.4 | 39.4 | 39.4 | |||||
| 75% | 39.4 | 39.4 | 39.4 | 39.4 | 39.4 | |||||
| 90% (Min) | 39.4 | 39.4 | 39.4 | 39.4 | 39.4 | |||||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ016) |
| Tonight: Mostly clear. Lows 33 to 39. North winds 10 to 15 mph. Friday: Areas of frost in the morning. Mostly sunny. Highs 48 to 54. North winds up to 10 mph with gusts to around 20 mph. Friday Night: Mostly clear. Patchy frost after midnight. Lows around 35. Light winds. Saturday: Areas of frost in the morning. Mostly cloudy. Highs around 51. Light winds. Saturday Night: Mostly cloudy. Lows around 37. Light winds. Sunday: Mostly cloudy. Highs 50 to 56. Sunday Night: Mostly clear. Lows around 38. Monday: Partly cloudy. Highs 51 to 59. Monday Night: Mostly clear. Lows 38 to 44. Tuesday: Partly cloudy. Highs 54 to 62. Tuesday Night through Thursday: Mostly clear. Lows 41 to 49. Highs 57 to 67. |
| 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. |