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MERCED RIVER - YOSEMITE AT POHONO BRIDGE (POHC1)
Latitude:
37.72º N		Longitude:
119.67º W		Elevation:
3862 Feet
Location: Mariposa County in CA
River Group: San Joaquin
Issuance Time: Jul 09 2025 at 7:58 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.
2025 Seasonal Trend Plot (Year View)Tabular View  |  Select a Different Water Year:  
Note: The chart below functions better in landscape orientation.
Created with Highcharts 9.2.1Daily Observed​Volumes (1000s Ac-​Ft)Water Year 2025 - Day (mm/dd)Seasonal Volumes​(1000s Ac-Ft)Chart context menuMERCED - POHONO BRIDGE, AT, YOSEMITE, NR (POHC1) 07/09/2025​Median Forecast: 290 kaf | 76% of Mean | 86% of MedianCreated: 07/09/2025 at 07:58 AM PDT​Mean: 384 kaf​Mean: 384 kaf​Median: 338 kaf​Median: 338 kafMay 12​6.98 kaf​May 12​6.98 kaf​Record Low: ​74.8 kaf in 2015​Record Low: ​74.8 kaf in 2015​Record High: ​898 kaf in 2023​Record High: ​898 kaf in 2023Apr-Jul Vol MeanApr-Jul Vol MedianSeason to Date MeanSeason to Date MedianSeason to Date ObsDaily ObsObs PeakApr-Jul Fcst 50%Apr-Jul Fcst 25/75%Apr-Jul Fcst 10/90%Apr-Jul Fcst Max/MinRecord LowRecord HighSnow Model Updates Observed Season to Date Percent of Mean: 79% (285 kaf) Season to Date Mean: 358 kaf​ Historical Apr-Jul Vol Max: 898 kaf in 2023 Historical Apr-Jul Vol Min: 74.8 kaf in 2015​ This product only considers meteorological uncertainty and does not account for hydrologic uncertainty.​ Means/medians are based on the period of Water Years 1980 through 2023.​ Legend entries below can be toggled on/off.00.81.62.43.244.85.66.47.288.89.610/01​202411/01​202412/01​202401/01​202502/01​202503/01​202504/01​202505/01​202506/01​202507/01​202508/01​202509/01​202509/30​20250100200300400500600700800900100011001200

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ324)
Tonight: Clear. Lows 57 to 65. Northeast winds up to 10 mph.

Thursday: Warmer, sunny. Highs 80 to 94. Southeast winds up to 10 mph shifting to the southwest in the afternoon.

Thursday Night: Clear. Lows 61 to 69. West winds 5 to 10 mph shifting to the northeast after midnight.

Friday: Sunny. Highs 83 to 97. East winds up to 5 mph shifting to the west in the afternoon.

Friday Night: Clear. Lows 63 to 71. West winds 5 to 10 mph shifting to the northeast after midnight.

Saturday through Monday: Clear. Highs 84 to 99. Lows 63 to 72.

Monday Night: Mostly clear. Lows 64 to 72.

Tuesday: Sunny. Highs 84 to 98.

Tuesday Night: Mostly clear. Lows 62 to 70.

Wednesday: Sunny. Highs 82 to 96.

Flood Impacts
23.45 FeetFlood of record...1/3/97. $178 million damage to Yosemite Valley.
13.6 FeetLift stations at Housekeeping Camp and Yosemite Creek flooded. Southside Drive at Chapel Meadow impassable.
12.5 FeetNorthside Drive at Wosky Pond, El Capitan crossover, and Sentinel crossover are impassable to vehicles.
12.0 FeetWater on road at Northside Drive, Southside Drive, El Capitan crossover, Sentinel crossover, and Highway 140 near Cookie Cliff.
11.4 FeetWater begins to overtop road curbs on Northside Drive. Swinging Bridge overtops.
10.0 FeetMerced River at Pohono Bridge begins to rise out of its banks. Flood Stage.
9.5 FeetLower Pines and Housekeeping Camp begin flooding.
7.0 FeetRIVER IS CLOSED TO RAFTERS AND FLOATATION DEVICES.