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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: Jul 08 2025 at 9:57 AM PDT
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
Created with Highcharts 9.2.1Date/Time (Pacific)River Level (Feet)Flow (CFS)Hourly Peak River Level ProbabilitiesTUOLUMNE RIVER - MODESTO (MDSC1)Created: 07/08/2025 at 9:57 AM PDTJul 09Wed12amJul 10Thu12amJul 11Fri12amJul 12Sat12amJul 13Sun12amJul 08Tue12pmJul 09Wed12pmJul 10Thu12pmJul 11Fri12pmJul 12Sat12pm36.59536.636.60536.6136.61536.6236.625979899100101102103
Cursor readout:
Created with Highcharts 9.2.1Chance of River LevelExceedance (Feet)
Show:






What information is considered in this forecast?
Verification / Historical Plots
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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)
Tonight: Clear. Lows 54 to 62. Northwest winds 10 to 15 mph.

Wednesday: Sunny. Highs 88 to 94. Northwest winds up to 15 mph.

Wednesday Night: Clear. Lows 58 to 68. Northwest winds up to 15 mph.

Thursday: Sunny, warmer. Highs 95 to 103. Northwest winds up to 10 mph.

Thursday Night: Clear. Lows 62 to 72. Northwest winds up to 10 mph with gusts to around 20 mph.

Friday: Sunny. Highs 96 to 104.

Friday Night: Clear. Lows 60 to 70.

Saturday through Tuesday: Clear. Highs 92 to 102. Lows 59 to 69.

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.