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: Apr 23 2017 at 8:13 AM PDTNext Issuance: Apr 24 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)
Tonight: Mostly clear. Lows 46 to 52. West winds 10 to 15 mph.

Monday: Mostly cloudy with a slight chance of rain. Highs 61 to 70. West winds up to 15 mph.

Monday Night: Mostly cloudy with a slight chance of rain showers. Lows 48 to 54. West winds around 10 mph.

Tuesday: Mostly cloudy. Highs 63 to 72. Northwest winds up to 15 mph.

Tuesday Night: Mostly cloudy. Lows 50 to 56. Northwest winds 10 to 15 mph.

Wednesday: Mostly cloudy with a slight chance of rain showers. Highs 67 to 75.

Wednesday Night: Mostly clear. Lows 49 to 55.

Thursday: Partly cloudy. Highs 67 to 75.

Thursday Night and Friday: Mostly clear. Breezy. Lows 48 to 54. Highs 67 to 75.

Friday Night: Clear, breezy. Lows 48 to 54.

Saturday: Mostly sunny. Highs 71 to 80.

Saturday Night: Clear. Lows 49 to 55.

Sunday: Mostly sunny. Highs 76 to 84.
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.