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| MCCLOUD RIVER - SHASTA LAKE (MSSC1) | ||||||||||||||||||
| Latitude: 40.95º N | Longitude: 122.22º W | Elevation: 1100 Feet | ||||||||||||||||
| Location: Shasta County in CA | ||||||||||||||||||
| River Group: Upper Sacramento | ||||||||||||||||||
| Issuance Time: | Feb 05 2026 at 7:54 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) 05/19/2026 17.5kaf | 25% 04/22/2026 12.2kaf | 50% (Prob) 04/09/2026 7.2kaf | 75% 04/01/2026 4.1kaf | 90% (Min) 04/01/2026 3.2kaf |
| Tabular 5-Day Volume Accumulations (1000s of Acre-Feet) | ||||
| Probability | 02/05 to 02/10 | 02/10 to 02/15 | 02/15 to 02/20 | 02/20 to 02/25 |
| 10% | 16.1 kaf | 22.5 kaf | 48.9 kaf | 55.7 kaf |
| 25% | 15.7 kaf | 19.5 kaf | 37.3 kaf | 34.1 kaf |
| 50% (Median) | 15.6 kaf | 15.4 kaf | 24.0 kaf | 21.4 kaf |
| 75% | 15.4 kaf | 15.0 kaf | 15.5 kaf | 14.8 kaf |
| 90% | 15.4 kaf | 14.8 kaf | 14.2 kaf | 13.9 kaf |
| Location Photographs | ||
| ESRI™ Locator Map |