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

TUOLUMNE RIVER - MODESTO (MDSC1)
Latitude: 37.63º NLongitude: 120.99º WElevation: 90 Feet
Location: Stanislaus County in CaliforniaRiver Group: San Joaquin
Monitor Stage: 50.5 FeetFlood Stage: 55.0 Feet

Observed Data Credit
Gage owner logo

Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2015*
1,160
40.81
Apr 6, 2015
2014*
1,240
40.98
Apr 18, 2014
2013*
1,860
42.19
Dec 25, 2012
2012*
1,980
42.41
May 13, 2012
2011*
9,250
53.95
Mar 26, 2011
 Historical High Stage/Flow Events (Period of Record - February 1895 to Present)**
1951*
57,000
69.19
Dec 9, 1950
1997*
55,800
71.21***
Jan 4, 1997
1956*
37,600
66.43
Dec 25, 1955
1969*
32,600
65.42
Jan 27, 1969
 * Discharge affected to unknown degree by regulation or diversion
 ** Most recent continuous record back to 1943 with segmented periods back to Feb 1895
 *** Backwater effect caused by debris on railroad trestle 1500 ft downstream of gage
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Sunny. Highs 78 to 85. Northwest winds up to 10 mph.

Tonight: Clear. Lows 52 to 62. Northwest winds to around 10 mph.

Monday: Sunny. Highs 79 to 87. Northwest winds 10 to 20 mph.

Monday Night: Clear. Lows 55 to 63. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Tuesday: Sunny. Highs 81 to 89. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the morning.

Tuesday Night: Clear. Lows 57 to 65.

Wednesday: Sunny. Highs 84 to 92.

Wednesday Night through Thursday Night: Clear. Lows 57 to 64. Highs 83 to 92.

Friday and Friday Night: Mostly clear. Highs 74 to 83. Lows 53 to 63.

Saturday: Mostly sunny. Highs 67 to 76.
Impacts - E19 Information
55.0 FeetThis is channel capacity through downtown Modesto.
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.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.