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 - YOSEMITE NP AT POHONO BRIDGE (POHC1)
Latitude: 37.72º NLongitude: 119.67º WElevation: 3862 Feet
Location: Mariposa County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Apr 13 2024 at 8:23 AM PDTNext Issuance: Apr 14 2024 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: 10.0 Feet

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Verification - Historical Graphical RVF
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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
2022
4,810
8.55
Oct 25 2021
2021
2,160
5.92
May 6, 2021
2020
3,560
7.41
Apr 30, 2020
2019
6,770
10.13
Jun 6, 2019
2018
12,100
13.68
Apr 7, 2018
 Historical High Stage/Flow Events (Period of Record - Oct 1916 to Present) - Ranked by Flow
1997
24,600
23.43
Jan 03, 1997
1956
23,400
21.52
Dec 23, 1955
1951
23,000
19.98
Nov 19, 1950
1938
22,000
19.10
Dec 11, 1937
1965
18,000
16.96
Dec 23, 1964
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
7.0 FeetRiver is closed to rafters and floatation.
9.5 FeetLower Pines and Housekeeping Camp begin flooding.
10.0 FeetMerced River at Pohono Bridge begins to flood.
11.4 FeetWater begins to overtop road curbs on Northside Drive. Swinging Bridge overtops.
12.0 FeetWater on road at Northside Drive, Southside Drive, Sentinel Crossover, and Highway 140 near Cookie Cliff.
12.5 FeetNorthside Drive at Wosky Pond, El Capitan Crossover, and Sentinel Crossover are impassible to vehicles.
23.45 FeetFlood of record - 01/02/1997. $178 Million damage to Yosemite Valley.
Official 7 Day National Weather Service Forecast   (CAZ324)
Tonight: Colder. Cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Snow showers, rain showers and slight chance of thunderstorms in the evening, then chance of snow showers after midnight. Snow may be heavy at times in the evening. Snow accumulation up to 4 inches. Total snow accumulation up to 6 inches. Lows 26 to 32. Southwest winds 5 to 10 mph shifting to the northeast after midnight. Chance of precipitation 90 percent.

Sunday: Mostly cloudy with a 50 percent chance of snow showers and rain showers. Highs 39 to 49. South winds 5 to 10 mph shifting to the west in the afternoon.

Sunday Night: Mostly cloudy. Lows 28 to 34. West winds up to 5 mph shifting to the northeast after midnight.

Monday: Not as cool. Sunny. Highs 49 to 59. Northeast winds up to 5 mph shifting to the west in the afternoon.

Monday Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph shifting to the northeast after midnight.

Tuesday and Tuesday Night: Mostly clear. Highs 59 to 69. Lows 44 to 50.

Wednesday: Sunny. Highs 64 to 74.

Wednesday Night through Thursday Night: Partly cloudy. Lows 46 to 53. Highs 65 to 75.

Friday: Sunny. Highs 63 to 73.

Friday Night: Partly cloudy. Lows 46 to 52.

Saturday: Sunny. Highs 64 to 74.
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.