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 - SAN BERNARDINO AT E STREET (SREC1)
Latitude: 34.07º NLongitude: 117.29º WElevation: 940 Feet
Location: San Bernardino County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: Southern California
Issuance Time: Jan 08 2026 at 7:48 AM PSTNext Issuance: Jan 08 2026 at 3:00 PM 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   (CAZ048)
Today: Partly cloudy this morning and becoming sunny. Highs 56 to 62. Areas of winds northwest 10 to 20 mph. Gusts to 30 mph and Becoming 35 mph this afternoon.

Tonight: Clear, colder. Lows 32 to 35 in wind sheltered areas to 35 to 42 in warmer locations. Areas of winds north 15 to 25 mph. Gusts to 35 mph and becoming 40 mph overnight.

Friday: Mostly sunny. Areas of blowing dust in the afternoon. Highs 58 to 63. Areas of winds north 20 to 30 mph with gusts to 50 mph.

Friday Night: Clear. Lows 34 to 39 in wind sheltered areas to 38 to 45 in warmer locations. Areas of winds north 20 to 30 mph with gusts to 50 mph.

Saturday: Sunny. Highs 65 to 70. Areas of winds north 20 to 30 mph becoming east in the afternoon. Gusts to 45 mph.

Saturday Night: Clear, breezy. Lows 40 to 48.

Sunday: Sunny. Highs 69 to 73.

Sunday Night: Mostly clear. Lows 42 to 49.

Monday: Mostly sunny. Highs 71 to 75.

Monday Night: Clear. Lows 44 to 51.

Tuesday: Sunny. Highs 74 to 78.

Tuesday Night: Mostly clear. Lows 47 to 54.

Wednesday: Mostly sunny. Highs 77 to 81.
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.