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COTTONWOOD CREEK - COTTONWOOD (CWAC1)
Latitude:
40.39º N		Longitude:
122.24º W		Elevation:
364 Feet
Location: Tehama County in CA
River Group: Upper Sacramento
Issuance Time: Jun 01 2025 at 7:58 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 menuCOTTONWOOD CK - (AUX)COTTONWOOD, NR (CWAC1) 06/01/2025​Median Forecast: 826 kaf | 135% of Mean | 134% of MedianCreated: 06/01/2025 at 07:58 AM PDTMean: 613 kaf​Mean: 613 kafMean: 613 kaf​Mean: 613 kafMedian: 618 kaf​Median: 618 kafMedian: 618 kaf​Median: 618 kafFeb 05​48.1 kaf​Feb 05​48.1 kafRecord Low: ​68.4 kaf in 1977​Record Low: ​68.4 kaf in 1977Record Low: ​68.4 kaf in 1977​Record Low: ​68.4 kaf in 1977Record High: ​1960 kaf in 1983​Record High: ​1960 kaf in 1983Record High: ​1960 kaf in 1983​Record High: ​1960 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: 137% (792 kaf) Water Year to Date Mean: 580 kaf​ Historical Water Year Vol Max: 1960 kaf in 1983 Historical Water Year Vol Min: 68.4 kaf in 1977​ 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.05101520253035404550556010/01​202411/01​202412/01​202401/01​202502/01​202503/01​202504/01​202505/01​202506/01​202507/01​202508/01​202509/01​202509/30​2025020040060080010001200140016001800200022002400

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ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ015)
Today: Sunny. Highs 95 to 101. North winds 10 to 20 mph with gusts to around 35 mph.

Tonight: Clear. Lows 62 to 68. North winds up to 10 mph with gusts to around 20 mph.

Tuesday: Sunny. Highs 95 to 100. North winds up to 10 mph with gusts to around 20 mph.

Tuesday Night: Clear. Lows 64 to 70. North winds around 10 mph with gusts to around 20 mph.

Wednesday: Sunny. Highs 94 to 100. North winds 10 to 15 mph with gusts to around 25 mph.

Wednesday Night: Clear. Lows around 64.

Thursday: Sunny. Highs 92 to 97.

Thursday Night: Clear. Lows 62 to 68.

Friday: Mostly sunny. Highs around 97.

Friday Night through Sunday: Clear. Lows 64 to 72. Highs 97 to 105.