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LITTLE STONY CREEK - EAST PARK RESERVOIR (EPRC1)

Latitude: 39.36º N	Longitude: 122.52º W	Elevation: 1200 Feet
Location: Colusa County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Issuance Time:

May 11, 2025 at 9:05 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.

Short-Range Peak Exceedance Plot Product Info. Plot Type:

CSV Ensemble Files (Data in kcfs): Forecast Group | EPRC1

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		Official Forecast (Deterministic)
		Ensemble Mean
		Model Traces

	Hourly Probabilities
		0-5% chance
		5-25% chance
		25-40% chance
		40-60% chance

What information is considered in this forecast?

Verification / Historical Plots
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Location Photographs
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Official 7 Day National Weather Service Forecast (CAZ063)

Tonight: Mostly clear in the evening then becoming mostly cloudy. At higher elevations, a slight chance of rain showers late in the evening. A chance of rain and snow showers after midnight, then rain and snow showers likely late in the night. At lower elevations, a chance of rain showers after midnight. Colder. Lows 31 to 45 higher elevations and around 47 lower elevations. Little or no snow accumulation. Prevailing southwest winds 10 to 20 mph with gusts to around 45 mph.

Monday: At lower elevations, a chance of rain showers in the morning, then a chance of rain showers and a slight chance of thunderstorms in the afternoon. At higher elevations, rain and snow showers likely in the morning, then rain showers, snow showers likely and a slight chance of thunderstorms in the afternoon. Highs 40 to 55 higher elevations and 58 to 64 lower elevations. No snow accumulation lower elevations and up to 2 inches higher elevations. Snow level 5500 feet. Prevailing southwest winds up to 15 mph with gusts to around 30 mph.

Monday Night: Partly cloudy. At lower elevations, a slight chance of showers and thunderstorms in the evening. At higher elevations, a slight chance of rain showers, thunderstorms and snow showers in the evening. Lows 30 to 44 higher elevations and 42 to 48 lower elevations. Snow level 5500 feet. Prevailing northwest winds up to 10 mph with gusts to around 25 mph.

Tuesday: Mostly sunny. Warmer. Highs 49 to 64 higher elevations and 67 to 72 lower elevations. Prevailing north winds up to 10 mph.

Tuesday Night: Mostly clear. Lows 35 to 49 higher elevations and 46 to 52 lower elevations. Prevailing northwest winds up to 10 mph with gusts to around 25 mph.

Wednesday: Sunny, warmer. Highs 60 to 75.

Wednesday Night: Clear. Lows 43 to 58.

Thursday: Mostly sunny. Warmer. Highs 66 to 81.

Thursday Night: Mostly cloudy. Lows 48 to 63.

Friday through Saturday Night: Mostly clear. Highs 65 to 80. Lows 46 to 61.

Sunday: Sunny. Highs 66 to 81.

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