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

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ALAMO CANAL - PLEASANTON (ALQC1)
Latitude: 37.69º NLongitude: 121.92º WElevation: 330 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: May 05 2025 at 7:35 AM PDTNext Issuance: May 06 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 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   (CAZ510)
Tonight: Mostly clear. Lows in the mid 50s. Northwest winds 10 to 20 mph and becoming south 5 to 10 mph after midnight.

Tuesday: Sunny. Highs in the lower 80s. West winds 5 to 15 mph.

Tuesday Night: Clear. Lows in the lower 50s. Southwest winds 5 to 15 mph.

Wednesday: Sunny. Highs in the mid 70s to lower 80s. Southwest winds 5 to 15 mph.

Wednesday Night: Mostly clear. Lows in the lower 50s. Southwest winds 5 to 15 mph.

Thursday: Partly cloudy in the morning then becoming sunny. Highs in the mid 80s.

Thursday Night and Friday: Mostly clear. Lows in the lower 50s. Highs around 90.

Friday Night: Clear. Lows in the mid 50s.

Saturday and Saturday Night: Mostly clear. Highs in the 80s. Lows in the lower to mid 50s.

Sunday through Monday: Mostly clear. Highs in the 70s. Lows near 50.
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 San Francisco Bay Area-Monterey 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.