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



SANTA YSABEL CREEK - SUTHERNLAND RESERVOIR (SUDC1)
Latitude: 33.12º NLongitude: 116.79º WElevation: 2078 Feet
Location: San Diego County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: San Diego/Inland
Issuance Time: Jun 30, 2025 at 9:16 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  SUDC1

Show:





What information is considered in this forecast?
Verification / Historical Plots
<-- Previous Forecast  Forecast Date:   Forecast Cycle:  

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ050)
Today: Partly cloudy with patchy fog This Morning and becoming sunny. Highs 79 to 82 in the western valleys to 86 to 91 near the foothills. Areas of winds west to 10 mph and becoming 10 to 15 mph with gusts to 25 mph This Afternoon.

Tonight: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 52 to 60. Areas of winds west to 10 mph in the evening becoming light.

Wednesday: Partly cloudy with patchy fog in the morning and Becoming mostly sunny. Highs around 80 in the western valleys to 83 to 88 near the foothills. Areas of winds west to 10 mph and Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.

Wednesday Night: Clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 51 to 58. Areas of winds west to 10 mph in the evening becoming light.

Thursday: Partly cloudy with patchy fog in the morning and Becoming mostly sunny. Highs 76 to 79 in the western valleys to 81 to 86 near the foothills. Areas of winds west to 10 mph.

Thursday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 53 to 59.

Independence Day: Partly cloudy with patchy fog in the morning and becoming mostly sunny. Highs 79 to 82 in the western valleys to 84 to 89 near the foothills.

Friday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 54 to 60.

Saturday: Partly cloudy with patchy fog in the morning and Becoming mostly sunny. Highs 81 to 84 in the western valleys to 86 to 91 near the foothills.

Saturday Night: Clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 53 to 60.

Sunday: Partly cloudy with patchy fog in the morning and becoming mostly sunny. Highs 81 to 84 in the western valleys to 87 to 92 near the foothills.

Sunday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 55 to 61.

Monday: Partly cloudy with patchy fog in the morning and becoming mostly sunny. Highs 80 to 83 in the western valleys to 87 to 92 near the foothills.