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TUOLUMNE RIVER - MODESTO (MDSC1)
Latitude:
37.63º N
Longitude:
120.99º W
Elevation:
60 Feet
Location: Stanislaus County in CA
River Group: San Joaquin
Issuance Time: Jan 10 2026 at 8:44 AM PST
Action/
Monitor:
50.5 Ft
Minor
Flood:
55.0 Ft
Moderate
Flood:
66.0 Ft
Major
Flood:
67.0 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 | MDSC1
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Location Photographs

ESRI™ Locator Map
Flood Impacts
67.0 FeetExtensive flooding occurs. Flows in excess of 40,000 cfs could cause extensive damage to residential, industrial and commercial development in Modesto downstream of gage.
55.0 FeetThis is channel capacity through downtown Modesto.
Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Mostly cloudy in the morning then becoming partly cloudy. Areas of fog and patchy frost in the morning. Highs around 56. Light winds.

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

Monday: Partly cloudy in the morning then clearing. Highs around 55. Light winds.

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

Tuesday: Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs 54 to 59. Light winds.

Tuesday Night: Mostly clear. Lows around 41.

Wednesday: Mostly sunny. 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
67.0 FeetExtensive flooding occurs. Flows in excess of 40,000 cfs could cause extensive damage to residential, industrial and commercial development in Modesto downstream of gage.
55.0 FeetThis is channel capacity through downtown Modesto.