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

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SANTA ANA RIVER - MUNICIPAL WATER DISTRICT CROSSING (MWXC1)
Latitude: 33.97º NLongitude: 117.45º WElevation: 685 Feet
Location: Riverside County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: Southern California
Issuance Time: Jul 05 2025 at 7:50 AM PDTNext Issuance: Jul 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   (CAZ048)
Today: Sunny. Highs 91 to 98. Areas of winds west to 10 mph becoming southwest with gusts to 25 mph this afternoon.

Tonight: Clear. Lows 53 to 62. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.

Sunday: Mostly sunny. Highs 91 to 98. Areas of winds west to 10 mph and becoming 10 to 15 mph with gusts to 25 mph in the afternoon.

Sunday Night: Clear. Lows 54 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.

Monday: Mostly sunny. Highs 91 to 98. Light winds becoming west 10 mph in the afternoon.

Monday Night: Clear. Lows 56 to 64.

Tuesday: Mostly sunny. Highs 95 to 101.

Tuesday Night: Mostly clear. Lows 62 to 69.

Wednesday: Mostly sunny. Highs 99 to 104.

Wednesday Night: Mostly clear. Lows 63 to 71.

Thursday: Mostly sunny. Highs 98 to 105.

Thursday Night: Mostly clear. Lows 62 to 68.

Friday: Mostly sunny. Highs 96 to 102.
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.