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
Monitor Stage: N/A Flood Stage: 10.0 Feet

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.

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)
Today: Mostly sunny until late afternoon then becoming mostly cloudy. Highs 53 to 61. East winds up to 5 mph shifting to the west in the afternoon.

Tonight: Mostly clear. Lows 34 to 42. Northeast winds up to 5 mph.

Tuesday: Sunny. Highs 50 to 58. Northeast winds up to 5 mph shifting to the west in the afternoon.

Tuesday Night: Clear. Lows 34 to 42. East winds 5 to 10 mph.

Wednesday: Sunny. Highs 52 to 62. East winds up to 10 mph shifting to the west in the afternoon.

Wednesday Night: Partly cloudy. Lows 36 to 44.

Thursday through Friday Night: Mostly cloudy. Highs 52 to 63. Lows 38 to 47.

Saturday and Saturday Night: Partly cloudy. Highs 56 to 64. Lows 37 to 45.

Sunday: Mostly sunny with a 40 percent chance of rain. Highs 54 to 62.
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.