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

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WARTHAN CREEK - COALINGA (WARC1)
Latitude: 36.10º NLongitude: 120.44º WElevation: 989 Feet
Location: Fresno County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Nov 17 2025 at 2:15 PM PSTNext Issuance: Nov 18 2025 at 9:00 AM PST
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   (CAZ300)
Tonight: Mostly cloudy with chance of rain showers and slight chance of thunderstorms early in the evening, then partly cloudy with chance of rain late in the evening. Partly cloudy after midnight. Near steady temperature in the mid 40s. West winds up to 10 mph. Chance of precipitation 40 percent.

Tuesday: Mostly sunny. Highs 50 to 58. Northeast winds up to 10 mph.

Tuesday Night: Partly cloudy. Lows 42 to 48. Southwest winds up to 5 mph.

Wednesday: Mostly sunny. Highs 53 to 59. South winds up to 5 mph shifting to the southeast in the afternoon.

Wednesday Night: Mostly cloudy. Rain likely after midnight. Near steady temperature around 50. South winds up to 5 mph. Chance of rain 70 percent.

Thursday: Rain likely. Near steady temperature in the lower 50s. Chance of rain 70 percent.

Thursday Night: Mostly cloudy. Chance of rain in the evening. Near steady temperature in the upper 40s. Chance of rain 40 percent.

Friday: Mostly sunny. Highs 51 to 59.

Friday Night through Sunday: Mostly clear. Lows 42 to 49. Highs 55 to 63.

Sunday Night and Monday: Partly cloudy. Lows in the upper 40s. Highs 57 to 63.
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 Joaquin Valley-Hanford 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.