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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: | Jul 01 2026 at 7:34 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. |
| 4x5-Day Probability Plot |

| Tabular 4 x 5-Day Streamflow Volume Data | |||||
| Observed Peak 1-Day Streamflow Volume: (April 1 at 12 UTC to Current Date at 12 UTC) | Observed 04/14/2026 5.2kaf | ||||
| Forecast Peak 1-Day Streamflow Volume: (Current Date at 12 UTC to August 1 at 12 UTC) | 10% (Max) 07/02/2026 0.2kaf | 25% 07/02/2026 0.2kaf | 50% (Prob) 07/02/2026 0.2kaf | 75% 07/02/2026 0.2kaf | 90% (Min) 07/02/2026 0.2kaf |
| Tabular 5-Day Volume Accumulations (1000s of Acre-Feet) | ||||
| Probability | 07/01 to 07/06 | 07/06 to 07/11 | 07/11 to 07/16 | 07/16 to 07/21 |
| 10% | 1.0 kaf | 0.9 kaf | 0.8 kaf | 0.7 kaf |
| 25% | 1.0 kaf | 0.9 kaf | 0.8 kaf | 0.7 kaf |
| 50% (Median) | 1.0 kaf | 0.9 kaf | 0.8 kaf | 0.7 kaf |
| 75% | 1.0 kaf | 0.9 kaf | 0.8 kaf | 0.7 kaf |
| 90% | 1.0 kaf | 0.9 kaf | 0.8 kaf | 0.7 kaf |
| Location Photographs | ||
| ESRI™ Locator Map |
| 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. |