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: Mar 27 2024 at 3:21 PM PDTNext Issuance: Mar 28 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)
Today: Cloudy with rain showers, snow showers and slight chance of thunderstorms early in the morning, then cloudy with rain showers and snow showers late in the morning. Mostly sunny in the afternoon. Snow may be heavy at times in the morning. Snow accumulation up to 5 inches. Total snow accumulation up to 10 inches. Snow level 5200 feet. Highs 42 to 50. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the morning. Chance of precipitation 90 percent.

Tonight: Mostly cloudy. A 20 percent chance of snow showers after midnight. Lows 29 to 35. East winds up to 10 mph.

Friday: Rain showers and snow showers likely in the afternoon. Snow accumulation up to 3 inches. Snow level 4500 feet. Highs 36 to 46. South winds 5 to 15 mph. Chance of precipitation 70 percent.

Friday Night: Rain showers and snow showers. Snow may be heavy at times after midnight. Heavy snow accumulations. Snow level 4800 feet. Near steady temperature in the upper 30s. Southeast winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 90 percent.

Saturday: Rain showers and snow showers. Moderate snow accumulations. Snow level 4900 feet. Highs 38 to 48. South winds 5 to 15 mph. Chance of precipitation 90 percent.

Saturday Night: Mostly cloudy. Rain showers and snow showers likely in the evening, then chance of snow showers and rain showers after midnight. Light snow accumulations. Lows 27 to 33. Chance of precipitation 60 percent.

Sunday: Mostly cloudy with a 50 percent chance of snow showers and rain showers. Highs 39 to 49.

Sunday Night: Mostly cloudy with a 30 percent chance of rain showers and snow showers in the evening, then partly cloudy after midnight. Lows 28 to 34.

Monday and Monday Night: Mostly clear. Highs 47 to 57. Lows 32 to 38.

Tuesday: Not as cool. Sunny. Highs 55 to 63.

Tuesday Night and Wednesday: Mostly clear. Lows 38 to 44. Highs 56 to 66.
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.