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| COTTONWOOD CREEK - COTTONWOOD (CWAC1) | ||||||||||||||||||
| Latitude: 40.39º N | Longitude: 122.24º W | Elevation: 364 Feet | ||||||||||||||||
| Location: Tehama County in CA | ||||||||||||||||||
| River Group: Upper Sacramento | ||||||||||||||||||
| Issuance Time: | Jan 11 2026 at 7:33 AM PST |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. Flow data on this product are unregulated / full natural flow. |
| Monthly Probability Plot |
| Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Jan 11 2026 at 8:02 AM PST | ||||||
| Prob | Jan* | Feb | Mar | Apr | May | Jun |
| 10% | 259.5 | 335.1 | 259.4 | 122.1 | 58.0 | 33.3 |
| 25% | 201.2 | 231.5 | 178.4 | 79.6 | 42.4 | 24.5 |
| 50% | 175.1 | 131.0 | 128.6 | 55.3 | 33.6 | 19.8 |
| 75% | 170.1 | 53.7 | 51.8 | 32.0 | 22.3 | 12.8 |
| 90% | 168.9 | 43.7 | 37.0 | 23.8 | 15.0 | 8.6 |
| Mean | 117.6 | 134.2 | 125.7 | 66.5 | 40.9 | 18.1 |
| %Mean | 148.9 | 97.6 | 102.3 | 83.2 | 82.2 | 109.4 |
| Prob | Jul | Aug | Sep | Oct | Nov | Dec |
| 10% | 19.6 | 11.7 | 7.7 | 7.5 | 68.8 | 263.5 |
| 25% | 15.2 | 9.0 | 5.9 | 5.9 | 23.5 | 123.8 |
| 50% | 12.1 | 6.9 | 4.4 | 4.1 | 5.2 | 43.2 |
| 75% | 6.9 | 3.4 | 2.2 | 2.4 | 3.7 | 6.1 |
| 90% | 3.7 | 1.5 | 1.3 | 1.3 | 2.1 | 3.1 |
| Mean | 7.1 | 4.1 | 4.3 | 6.3 | 17.8 | 73.4 |
| %Mean | 170.4 | 168.3 | 102.3 | 65.1 | 29.2 | 58.9 |
| Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %) | ||||||
| Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast. | ||||||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ015) |
| Tonight: Clear. Lows 35 to 43. North winds up to 10 mph. Monday: Mostly sunny. Highs 57 to 64. Light winds. Monday Night: Clear. Lows 36 to 44. Light winds. Tuesday: Sunny. Highs 58 to 66. Light winds. Tuesday Night: Clear. Lows 39 to 47. North winds up to 10 mph. Wednesday: Sunny. Highs 60 to 70. Wednesday Night: Clear. Lows 45 to 51. Thursday through Friday Night: Clear. Highs 63 to 71. Lows 44 to 51. Saturday: Mostly sunny. Highs 60 to 68. Saturday Night: Partly cloudy. Lows around 44. Sunday: Mostly sunny. Highs 60 to 67. |