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
Issuance Time: Mar 28 2017 at 1:52 PM PDTNext Issuance: Mar 29 2017 at 9:00 AM PDT
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.

Verification - Historical Graphical RVF
Month:  
Day:  
Year:  
Cycle:  
To view other verification locations, use our Historical Graphical River Forecast Interface.
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: Mostly sunny in the morning then becoming partly cloudy. Highs 70 to 78. Northwest winds up to 10 mph.

Tonight: Partly cloudy. A slight chance of rain showers after midnight. Lows 49 to 55. Northwest winds around 10 mph.

Thursday: Partly cloudy with a slight chance of rain showers in the morning, then mostly sunny in the afternoon. Breezy. Highs 61 to 71. Northwest winds 10 to 15 mph increasing to 15 to 25 mph with gusts to around 35 mph in the afternoon.

Thursday Night: Mostly clear. Colder. Lows 42 to 48. Northwest winds 15 to 20 mph with gusts to around 30 mph.

Friday: Sunny, breezy. Highs 65 to 74. Northwest winds 15 to 25 mph.

Friday Night: Clear. Lows 43 to 49.

Saturday: Sunny. Highs 70 to 78.

Saturday Night: Clear. Lows 46 to 52.

Sunday and Sunday Night: Mostly clear. Highs 71 to 81. Lows 43 to 53.

Monday and Monday Night: Mostly clear. Highs 66 to 74. Lows 43 to 53.

Tuesday: Partly cloudy. Highs 66 to 75.
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.