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



SAN JOAQUIN RIVER - NEWMAN (NWMC1)
Latitude: 37.35º NLongitude: 120.98º WElevation: 90 Feet
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jul 01, 2025 at 11:50 AM PDT
Action/Monitor: 63.0 FeetMinor Flood: 69.4 FeetModerate Flood: 70.7 FeetMajor Flood: 71.7 Feet
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  NWMC1

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What information is considered in this forecast?
Verification / Historical Plots
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Location Photographs

ESRI™ Locator Map
Flood Impacts
71.7 FeetTop of levee rb
70.4 FeetDanger stage.
70.0 FeetFlood water reaches the top of the levee that surrounds the Newman waste water treatment plant.
69.4 FeetProject flood stage.
66.26 FeetPeak stage of record. 4/9/2006
66.14 Feet1/28/1997
65.0 FeetThe fisherman's bend trailer park north of hills ferry road begins to flood.
64.0 FeetThe Wastewater Treatment Plant begins taking on river water and flood pumping begins.
63.6 FeetSand slough will flow.
63.0 FeetMonitor stage. Levee patrols required.
62.0 FeetWater seepage begins outside the levee along the river, near the newman waste water treatment plant.
55.0 FeetThe city of Newman Wastewater Treatment Plant (WWTP) begins to flood at the lowest point. Newman Police Department shooting range a the WWTP is also affected.
Official 7 Day National Weather Service Forecast   (CAZ302)
Tonight: Clear. Lows in the lower 60s. Northwest winds 5 to 10 mph.

Wednesday: Sunny. Highs in the upper 90s. Northwest winds up to 10 mph.

Wednesday Night: Clear. Lows in the lower 60s. West winds 5 to 15 mph.

Thursday: Sunny. Highs in the mid 90s. West winds up to 10 mph.

Thursday Night: Mostly clear. Lows in the upper 50s. West winds 5 to 15 mph.

Independence Day through Sunday Night: Clear. Highs 90 to 95. Lows in the upper 50s.

Monday through Tuesday: Clear. Highs in the upper 90s. Lows in the lower 60s.