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SAN JOAQUIN RIVER - PATTERSON (PATC1)
Latitude:
37.49º N		Longitude:
121.08º W		Elevation:
97 Feet
Location: Stanislaus County in CA
River Group: San Joaquin
Issuance Time: Jan 10 2026 at 8:44 AM PST
Action/
Monitor:
48.0 Ft		Minor
Flood:
54.7 Ft		Moderate
Flood:
57.3 Ft		Major
Flood:
58.3 Ft
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Short-Range Peak Exceedance Plot   Product Info.   CSV Ensemble Files (Data in kcfs): Forecast Group | PATC1
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Location Photographs

ESRI™ Locator Map
Flood Impacts
58.3 FeetStages above 58.3 feet result in flooding outside the levee. Top of levee.
Official 7 Day National Weather Service Forecast   (CAZ019)
Tonight: Mostly cloudy. Patchy dense fog late in the night. Lows 35 to 41. Light winds.

Sunday: Mostly cloudy in the morning then clearing. Patchy dense fog in the morning. Highs around 55. Light winds.

Sunday Night: Partly cloudy. Patchy fog after midnight. Lows 36 to 42. Light winds.

Monday: Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs around 54. Light winds.

Monday Night: Mostly clear. Patchy fog after midnight. Lows around 40. Light winds.

Tuesday: Mostly sunny. Patchy fog. Highs 54 to 59.

Tuesday Night: Mostly clear. Patchy fog. Lows around 41.

Wednesday: Partly cloudy. Patchy fog. Highs 55 to 61.

Wednesday Night: Mostly clear. Patchy fog. Lows around 43.

Thursday: Partly cloudy. Patchy fog. Highs 57 to 63.

Thursday Night: Mostly clear. Patchy fog. Lows around 44.

Friday: Partly cloudy. Patchy fog. Highs 57 to 62.

Friday Night: Mostly clear. Lows around 44.

Saturday: Partly cloudy. Highs around 59.

Flood Impacts
58.3 FeetStages above 58.3 feet result in flooding outside the levee. Top of levee.