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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 04 2025 at 8:30 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.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  MDSC1
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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 50 to 58. Northwest winds up to 15 mph. Gusts up to 25 mph in the evening.

Saturday: Sunny. Highs 84 to 92. Northwest winds up to 10 mph.

Saturday Night: Clear. Lows 53 to 61. Northwest winds up to 10 mph with gusts to around 20 mph.

Sunday: Sunny. Highs 88 to 94. Northwest winds up to 10 mph.

Sunday Night: Clear. Lows 54 to 64. Northwest winds up to 10 mph.

Monday: Sunny. Highs 89 to 97.

Monday Night: Clear. Lows 55 to 63.

Tuesday through Wednesday Night: Clear. Highs 88 to 98. Lows 57 to 67.

Thursday through Friday: Clear. Highs 96 to 104. Lows 61 to 71.

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.