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| COSUMNES RIVER - MICHIGAN BAR (MHBC1) | ||||||||||||||||||
| Latitude: 38.50º N | Longitude: 121.04º W | Elevation: 168 Feet | ||||||||||||||||
| Location: Sacramento County in CA | ||||||||||||||||||
| River Group: San Joaquin | ||||||||||||||||||
| Issuance Time: | Jan 09 2026 at 8:59 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. |
| 4x5-Day Probability Plot |
| Tabular 4 x 5-Day Streamflow Volume Data | |||||
| Observed Peak 1-Day Streamflow Volume: (April 1 at 12 UTC to August 1 at 12 UTC) | Observed Available Apr 2 to Aug 1 | ||||
| Forecast Peak 1-Day Streamflow Volume: (April 1 at 12 UTC to August 1 at 12 UTC) | 10% (Max) 05/06/2026 16.8kaf | 25% 04/22/2026 6.6kaf | 50% (Prob) 04/09/2026 3.0kaf | 75% 04/01/2026 1.6kaf | 90% (Min) 04/01/2026 1.1kaf |
| Tabular 5-Day Volume Accumulations (1000s of Acre-Feet) | ||||
| Probability | 01/09 to 01/14 | 01/14 to 01/19 | 01/19 to 01/24 | 01/24 to 01/29 |
| 10% | 9.5 kaf | 6.8 kaf | 18.6 kaf | 34.2 kaf |
| 25% | 9.5 kaf | 6.5 kaf | 8.4 kaf | 16.8 kaf |
| 50% (Median) | 9.5 kaf | 6.2 kaf | 5.4 kaf | 8.7 kaf |
| 75% | 9.4 kaf | 6.1 kaf | 4.7 kaf | 3.9 kaf |
| 90% | 9.4 kaf | 6.0 kaf | 4.4 kaf | 3.6 kaf |
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ017) |
| Today: Mostly cloudy in the morning then becoming partly cloudy. Areas of frost and patchy dense fog in the morning. Highs around 54. North winds up to 10 mph. Tonight: Mostly cloudy. Patchy dense fog after midnight. Lows around 38. Light winds. Sunday: Patchy fog in the morning. Mostly cloudy. Highs around 55. Light winds. Sunday Night: Mostly clear. Patchy fog after midnight. Lows around 37. Light winds. Monday: Partly cloudy in the morning then clearing. Patchy fog and frost in the morning. Highs around 53. Light winds. Monday Night: Mostly clear. Patchy fog. Lows around 39. Tuesday: Mostly sunny. Patchy fog. Highs 52 to 58. Tuesday Night: Mostly clear. Patchy fog. Lows 37 to 43. Wednesday: Partly cloudy. Patchy fog. Highs 54 to 60. Wednesday Night: Mostly clear. Patchy fog. Lows 39 to 45. Thursday: Partly cloudy. Patchy fog. Highs 56 to 62. Thursday Night and Friday: Mostly clear. Lows 40 to 46. Highs around 60. |
| Flood Impacts | |
| 13.2 Feet | Water floods houses in Wilton. The south bank levee near Wilton is overtopped. |
| 12.0 Feet | Water flows on to the road near Wilton. |
| 8.0 Feet | Low lying lands along the river begin to flood. |