National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service



LITTLE STONY CREEK - EAST PARK RESERVOIR (EPRC1)
Latitude: 39.36º NLongitude: 122.52º WElevation: 1200 Feet
Location: Colusa County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jul 01, 2025 at 9:20 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  EPRC1

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Official 7 Day National Weather Service Forecast   (CAZ063)
Today: Partly cloudy in the morning, then mostly cloudy with a chance of rain showers early in the afternoon. Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms late in the afternoon. Highs 76 to 91 higher elevations and 94 to 100 lower elevations. Light winds becoming south up to 10 mph in the afternoon.

Tonight: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Cooler. Lows 58 to 72 higher elevations and 70 to 76 lower elevations. Prevailing northwest winds up to 10 mph.

Wednesday: Sunny. A slight chance of rain showers in the afternoon. Highs 77 to 92 higher elevations and 94 to 101 lower elevations. Light winds becoming southeast up to 10 mph in the afternoon.

Wednesday Night: Mostly clear. Cooler. Lows 55 to 69 higher elevations and 65 to 73 lower elevations. Prevailing west winds up to 15 mph.

Thursday: Mostly sunny. Highs 70 to 85 higher elevations and 89 to 94 lower elevations. Prevailing northwest winds up to 10 mph shifting to the southwest in the afternoon.

Thursday Night: Mostly clear. Cooler. Lows 51 to 66.

Independence Day: Sunny. Highs 70 to 85.

Friday Night through Monday: Clear. Lows 55 to 70. Highs 75 to 90.