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SACRAMENTO RIVER - SHASTA LAKE (SHDC1)
Latitude:
40.72º N		Longitude:
122.42º W		Elevation:
1070 Feet
Location: Shasta County in CA
River Group: Upper Sacramento
Issuance Time: Jun 02 2025 at 7:46 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.
2025 Water Year Trend Plot
Tabular View  |  Select a Different Water Year:  
Note: The chart below functions better in landscape orientation.
Created with Highcharts 9.2.1Daily Observed Volumes​(1000s Ac-Ft)Water Year 2025 - Day (mm/dd)Water Year Volumes (1000s Ac-​Ft)Chart context menuSACRAMENTO - SHASTA DAM (SHDC1) 06/02/2025​Median Forecast: 6790 kaf | 122% of Mean | 131% of MedianCreated: 06/02/2025 at 07:46 AM PDTMean: 5570 kaf​Mean: 5570 kafMean: 5570 kaf​Mean: 5570 kafMedian: 5190 kaf​Median: 5190 kafMedian: 5190 kaf​Median: 5190 kafFeb 05​211 kaf​Feb 05​211 kafRecord Low: ​2480 kaf in 2021​Record Low: ​2480 kaf in 2021Record Low: ​2480 kaf in 2021​Record Low: ​2480 kaf in 2021Record High: ​10800 kaf in 1983​Record High: ​10800 kaf in 1983Record High: ​10800 kaf in 1983​Record High: ​10800 kaf in 1983WY Volume MeanWY Volume MedianWY to Date ObsWY to Date MeanWY to Date MedianDaily ObsObs PeakWY Vol Fcst 50%WY Vol Fcst 25/75%WY Vol Fcst 10/90%WY Vol Fcst Max/MinRecord LowRecord HighSnow Model Updates Observed to Date Percent of Mean: 125% (5830 kaf) Water Year to Date Mean: 4660 kaf​ Historical Water Year Vol Max: 10800 kaf in 1983 Historical Water Year Vol Min: 2480 kaf in 2021​ This product only considers meteorological uncertainty and does not account for hydrologic uncertainty.​ Means/medians are based on the period of Water Years 1980 through 2023.​ Legend entries below can be toggled on/off.02040608010012014016018020022024010/01​202411/01​202412/01​202401/01​202502/01​202503/01​202504/01​202505/01​202506/01​202507/01​202508/01​202509/01​202509/30​20250100020003000400050006000700080009000100001100012000

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ013)
Today: Sunny, warmer. Highs 79 to 94 higher elevations and 91 to 99 lower elevations. Prevailing northeast winds 5 to 15 mph with gusts to around 40 mph.

Tonight: Clear. Lows 50 to 65 higher elevations and 59 to 69 lower elevations. Prevailing north winds up to 10 mph.

Tuesday: Sunny. Highs 78 to 93 higher elevations and 90 to 98 lower elevations. Prevailing northeast winds up to 10 mph.

Tuesday Night: Clear. Lows 51 to 66 higher elevations and 60 to 70 lower elevations. Prevailing north winds up to 15 mph.

Wednesday: Sunny. Highs 77 to 92 higher elevations and 90 to 98 lower elevations. Prevailing northeast winds up to 15 mph.

Wednesday Night: Clear. Lows 51 to 66.

Thursday: Sunny. Highs 79 to 94.

Thursday Night: Clear. Lows 53 to 68.

Friday: Mostly sunny. Highs 81 to 96.

Friday Night through Sunday: Clear. Lows 56 to 71. Highs 84 to 99.