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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
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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
2016*
2,830
43.88
Mar 15, 2016
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
 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)
Tonight: Mostly clear. Patchy fog after midnight. Lows 47 to 57. Light winds.

Wednesday: Partly cloudy in the morning then becoming mostly sunny. Patchy dense fog in the morning. Highs 69 to 75. Light winds.

Wednesday Night: Partly cloudy. Lows 49 to 59. Light winds.

Thanksgiving Day: Patchy fog in the morning. Mostly sunny. Highs 70 to 76. Northwest winds up to 10 mph.

Thursday Night: Mostly cloudy. Lows 49 to 57. Northwest winds around 10 mph.

Friday: Mostly cloudy. Highs 68 to 73.

Friday Night: Mostly cloudy. Lows 49 to 55.

Saturday: Partly cloudy. Highs 68 to 74.

Saturday Night: Mostly cloudy with a chance of rain showers. Lows 49 to 57.

Sunday and Sunday Night: Mostly cloudy with a chance of rain. Highs 61 to 68. Lows 46 to 56.

Monday: Mostly cloudy. Highs 59 to 65.

Monday Night: Mostly clear. Colder. Lows 39 to 47.

Tuesday: Mostly sunny. Patchy fog. Highs 60 to 65.
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.