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

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MERCED RIVER - STEVINSON (STVC1)
Latitude: 37.37º NLongitude: 120.93º WElevation: 82 Feet
Location: Merced County in CaliforniaRiver Group: San Joaquin
Monitor Stage: 68.0 FeetFlood Stage: 71.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2025* 2,290 63.67 Mar 19, 2025
2024* 4,370 68.25 Mar 5, 2024
2023* 6,010 71.44 Mar 21, 2023
2022* 863 60.77 Oct 18, 2021
2021* 604 59.42 Oct 28, 2020
 Historical High Stage/Flow Events (Period of Record - 1944 to Present) - Ranked by Flow
1951* 13,600 73.81 Dec 05, 1950
2017* 7,540 71.63 Feb 26, 2017
1984 7,420 70.10 Mar 14, 1984
1969* 7,190 70.00 Jan 25, 1969
1967* 6,510 69.40 Jul 04, 1967
2011* 6,400 70.51 Mar 21, 2011
 * Discharge affected by regulation or diversion
 ** Incomplete records
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ302)
Today: Partly sunny early in the morning then clearing. Highs in the lower 80s. Northwest winds up to 15 mph.

Tonight: Mostly clear. Lows in the upper 40s. Northwest winds 5 to 15 mph.

Tuesday: Sunny. Highs around 80. Northwest winds up to 15 mph.

Tuesday Night: Mostly clear. Lows around 50. Northwest winds 5 to 15 mph.

Wednesday: Sunny. Highs in the lower 80s. Northwest winds up to 10 mph.

Wednesday Night: Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 50s.

Thursday and Thursday Night: Mostly cloudy. Highs in the upper 70s. Lows in the mid 50s.

Friday: Partly sunny. Chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent.

Friday Night: Mostly cloudy. Chance of rain showers in the evening, then chance of rain after midnight. Lows in the lower 50s. Chance of precipitation 50 percent.

Saturday: Partly sunny. Chance of rain in the morning, then chance of rain showers in the afternoon. Highs around 70. Chance of precipitation 40 percent.

Saturday Night and Sunday: Partly cloudy. Lows in the upper 40s. Highs in the lower 70s.
Flood Impacts
70.5 FeetWater is up to the maintenance building in Hagaman Park.
69.0 FeetThe playground area in Hagaman Park along Highway 165 is flooded.
65.0 FeetHagaman Park along Highway 165 begins to flood.
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 San Joaquin Valley-Hanford 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.