National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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PUTAH CREEK - GUENOC (PCGC1)
Latitude: 38.78º NLongitude: 122.52º WElevation: 914 Feet
Location: Lake County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Cache Putah
Issuance Time: Jul 05 2025 at 7:37 AM PDTNext Issuance: Jul 06 2025 at 9:00 AM PDT
Action/Monitor: 19.0 FeetMinor Flood: N/A Moderate Flood: N/A Major Flood: N/A

Putah Creek - Guenoc (PCGC1)River Forecast Plot

Combination chart with 4 data series.
Forecast Posted: 07/05/2025 at 7:30 AM PDT ● Graphic Created: 07/05/2025 at 7:39 AM PDT
The chart has 1 X axis displaying Time. Range: 2025-06-30 14:00:00 to 2025-07-10 14:00:00.
The chart has 2 Y axes displaying Precipitation (In.) and Precipitation (In.).
End of interactive chart.

Chart

Combination chart with 7 data series.
The chart has 1 X axis displaying Observation / Forecast Time (Pacific Local Time). Range: 2025-06-30 07:00:00 to 2025-07-10 07:00:00.
The chart has 2 Y axes displaying Stage (Feet) and Flow (Cubic Feet per Second).
End of interactive chart.
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 US Geological Survey (USGS).
View US Geological Survey (USGS) 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   (CAZ115)
Tonight: Clear. Lows 54 to 64.

Sunday: Sunny. Highs 84 to 96.

Sunday Night: Mostly clear. Lows 56 to 66.

Monday: Sunny. Highs 82 to 95.

Monday Night and Tuesday: Clear. Lows 51 to 61. Highs 80 to 95.

Tuesday Night: Clear. Lows 52 to 62.

Wednesday: Sunny. Highs 84 to 95.

Wednesday Night through Saturday: Clear. Lows 62 to 72. Highs 88 to 103.
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 Eureka 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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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
California Nevada River Forecast Center
3310 El Camino Avenue, Room 227
Sacramento, CA 95821-6373
(916) 979-3056

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