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| SOUTH FORK AMERICAN RIVER - CHILI BAR RESERVOIR (CBAC1) | ||||||||||||||||||
| Latitude: 38.77º N | Longitude: 120.82º W | Elevation: 931 Feet | ||||||||||||||||
| Location: El Dorado County in CA | ||||||||||||||||||
| River Group: Lower Sacramento | ||||||||||||||||||
| Issuance Time: | May 11 2025 at 8:43 AM PDT |
| 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. This section of the South Fork of the American River is highly regulated. Future releases from upstream reservoirs are often unknown. Users seeking recreational flow schedules should consult other sources. |
| Monthly Probability Plot |
| Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: May 11 2025 at 8:47 AM PDT | ||||||
| Prob | May* | Jun | Jul | Aug | Sep | Oct |
| 10% | 148.7 | 62.1 | 22.4 | 13.8 | 13.4 | 42.5 |
| 25% | 145.5 | 50.1 | 21.0 | 13.4 | 12.0 | 14.7 |
| 50% | 139.2 | 41.5 | 19.6 | 12.9 | 11.1 | 11.7 |
| 75% | 135.7 | 39.3 | 19.1 | 12.5 | 10.6 | 10.8 |
| 90% | 132.3 | 38.3 | 18.8 | 12.4 | 10.3 | 9.6 |
| Mean | 165.8 | 101.3 | 34.1 | 12.3 | 11.5 | 14.7 |
| %Mean | 84.0 | 41.0 | 57.5 | 104.9 | 96.5 | 79.6 |
| Prob | Nov | Dec | Jan | Feb | Mar | Apr |
| 10% | 70.0 | 189.8 | 197.1 | 194.3 | 206.6 | 225.5 |
| 25% | 29.9 | 64.8 | 103.4 | 124.8 | 173.3 | 180.6 |
| 50% | 14.8 | 25.9 | 45.2 | 49.6 | 95.5 | 133.2 |
| 75% | 10.9 | 11.2 | 16.4 | 29.7 | 71.1 | 104.6 |
| 90% | 10.2 | 7.1 | 9.9 | 17.4 | 44.4 | 83.5 |
| Mean | 27.8 | 60.1 | 80.8 | 95.5 | 120.9 | 140.0 |
| %Mean | 53.2 | 43.1 | 55.9 | 51.9 | 79.0 | 95.1 |
| 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 (CAZ067) |
| Today: Mostly cloudy. A chance of rain showers until late afternoon, then a chance of rain showers and a slight chance of thunderstorms late in the afternoon. Highs 48 to 60 higher elevations and 55 to 65 lower elevations. Prevailing south winds up to 10 mph. Tonight: Mostly cloudy. A chance of rain showers in the evening. Lows 39 to 47. Prevailing west winds up to 10 mph. Tuesday: Partly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Warmer. Highs 55 to 65 higher elevations and 62 to 70 lower elevations. Prevailing west winds up to 10 mph. Tuesday Night: Clear. Lows 41 to 49. Prevailing northwest winds up to 10 mph in the evening becoming light. Wednesday: Sunny, warmer. Highs 65 to 77. Light winds becoming west up to 10 mph in the afternoon. Wednesday Night: Clear. Lows 47 to 53. Thursday: Sunny, warmer. Highs 71 to 83. Thursday Night: Partly cloudy. Lows 52 to 58. Friday: Mostly cloudy. Highs 72 to 84. Friday Night through Saturday Night: Mostly clear. Lows 48 to 57. Highs 69 to 84. Sunday: Sunny. Highs 72 to 84. |