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

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STANISLAUS RIVER - RIPON (RIPC1)
Latitude: 37.73º NLongitude: 121.11º WElevation: 35 Feet
Location: Stanislaus County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Dec 28 2025 at 8:54 AM PSTNext Issuance: Dec 29 2025 at 9:00 AM PST
Action/Monitor: 55.0 FeetMinor Flood: 60.0 FeetModerate 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 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   (CAZ019)
Today: Mostly cloudy in the morning then clearing. Areas of fog in the morning. Highs 48 to 54. Light winds.

Tonight: Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows around 38. Light winds.

Monday: Mostly cloudy in the morning then becoming partly cloudy. Widespread fog and locally dense in the morning. Highs 46 to 52. Light winds.

Monday Night: Mostly clear in the evening then becoming mostly cloudy. Lows around 38. Light winds.

Tuesday: Mostly cloudy in the morning then becoming partly cloudy. Highs 48 to 54. Light winds.

Tuesday Night: Mostly cloudy. Lows around 40.

Wednesday: Mostly cloudy. Highs 48 to 54.

Wednesday Night: Mostly cloudy with a chance of rain. Lows around 43.

New Years Day: Cloudy with a chance of rain. Highs around 53.

Thursday Night and Friday: Mostly cloudy with rain likely. Lows around 46. Highs around 54.

Friday Night and Saturday: Mostly cloudy with a chance of rain. Lows around 46. Highs around 52.
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.