CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

MCCLOUD RIVER - SHASTA LAKE (MSSC1)

Latitude: 40.95º N	Longitude: 122.22º W	Elevation: 1100 Feet
Location: Shasta County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Issuance Time:

Jul 01 2025 at 7:21 AM PDT

Next Issuance:

Jul 02 2025 at 9:00 AM PDT

Action/Monitor: N/A

Minor Flood: N/A

Moderate Flood: N/A

Major Flood: N/A

Plot Type:

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the California Department of Water Resources. View California Department of Water Resources Data for this station location.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ013)

Tonight: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Cooler. Lows 56 to 71 higher elevations and 64 to 74 lower elevations. Prevailing north winds up to 10 mph.

Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs 82 to 97 higher elevations and 94 to 102 lower elevations. Light winds becoming west up to 10 mph in the afternoon.

Wednesday Night: Mostly clear. A slight chance of rain showers in the evening. Lows 53 to 68 higher elevations and 62 to 71 lower elevations. Prevailing northwest winds up to 10 mph.

Thursday: Mostly sunny. Highs 76 to 91 higher elevations and 87 to 95 lower elevations. Prevailing north winds up to 10 mph shifting to the southwest in the afternoon.

Thursday Night: Mostly clear. Cooler. Lows 48 to 63 higher elevations and 56 to 66 lower elevations. Prevailing west winds up to 10 mph shifting to the northwest after midnight.

Independence Day: Sunny. Highs 73 to 88.

Friday Night: Clear. Lows 50 to 65.

Saturday through Tuesday: Clear. Highs 81 to 96. Lows 53 to 68.

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.