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

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MCCLOUD RIVER - SHASTA LAKE (MSSC1)
Latitude: 40.95º NLongitude: 122.22º WElevation: 1100 Feet
Location: Shasta County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jun 22 2025 at 8:19 AM PDTNext Issuance: Jun 23 2025 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

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

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ013)
Tonight: Partly cloudy in the evening then clearing. Lows 46 to 61 higher elevations and 55 to 67 lower elevations. Prevailing north winds up to 10 mph with gusts to around 25 mph.

Monday: Sunny, warmer. Highs 74 to 89 higher elevations and 86 to 94 lower elevations. Prevailing northeast winds up to 10 mph.

Monday Night: Mostly cloudy in the evening then clearing. Lows 50 to 65. Light winds becoming north up to 10 mph after midnight.

Tuesday: Sunny. Highs 76 to 91 higher elevations and 88 to 96 lower elevations. Light winds becoming south up to 10 mph in the afternoon.

Tuesday Night: Clear. Lows 51 to 66. Prevailing southwest winds up to 10 mph in the evening becoming light.

Wednesday: Sunny. Highs 78 to 93.

Wednesday Night: Clear. Lows 51 to 66.

Thursday through Saturday Night: Clear. Highs 81 to 96. Lows 54 to 69.

Sunday: Sunny, warmer. Highs 87 to 102.
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.