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

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WHITEWATER RIVER - RANCHO MIRAGE (WWIC1)
Latitude: 33.75º NLongitude: 116.42º WElevation: 230 Feet
Location: Riverside County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: San Diego/Inland
Issuance Time: Dec 25 2025 at 8:37 PM PSTNext Issuance: Dec 26 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 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   (CAZ061)
Tonight: Partly cloudy. Lows 46 to 51. Areas of winds north 10 to 15 mph. Gusts to 25 mph this evening.

Friday: Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 66 to 70. Areas of winds north to 10 mph in the morning becoming light. Chance of measurable precipitation 50 percent.

Friday Night: Partly cloudy. A chance of showers. Lows 44 to 49. Areas of winds northwest 10 to 15 mph. Chance of measurable precipitation 50 percent.

Saturday: Partly cloudy in the morning and becoming mostly sunny. Highs 65 to 70. Areas of winds northwest 10 mph.

Saturday Night: Mostly clear. Lows 43 to 48. Areas of winds northwest 10 to 15 mph.

Sunday: Mostly sunny. Highs 65 to 69.

Sunday Night: Mostly clear. Lows 40 to 46.

Monday: Mostly sunny. Highs 65 to 68.

Monday Night: Mostly clear. Lows 41 to 47.

Tuesday: Mostly sunny. Highs around 70.

Tuesday Night: Mostly clear. Lows 42 to 49.

Wednesday: Partly cloudy with a slight chance of showers. Highs around 70.

Wednesday Night: Partly cloudy. A slight chance of showers in the evening, then a chance of showers overnight. Lows 45 to 50.

New Years Day: Partly cloudy with a chance of showers. Highs around 66.
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 Diego 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.