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 CaliforniaRiver 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
2019
6,770
10.13
Jun 6, 2019
2018
12,100
13.68
Apr 7, 2018
2017
10,500
12.69
Jan 9, 2017
2016
4,080
7.90
May 14, 2016
2015
2,370
6.16
Feb 9, 2015
 Historical High Stage/Flow Events (Period of Record - Oct 1916 to Present)
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
Official 7 Day National Weather Service Forecast   (CAZ192)
Tonight: Mostly clear. Haze and areas of smoke. Lows 36 to 46 at 5000 feet and 30 to 40 at 8000 feet.

Sunday: Mostly cloudy. Haze and areas of smoke. Highs 68 to 74 at 5000 feet and 58 to 66 at 8000 feet.

Sunday Night: Partly cloudy. Lows 43 to 53 at 5000 feet and 33 to 41 at 8000 feet.

Monday: Mostly sunny. Highs 69 to 75 at 5000 feet and 57 to 65 at 8000 feet.

Monday Night: Mostly clear. Lows 44 to 54 at 5000 feet and 35 to 45 at 8000 feet.

Tuesday: Mostly sunny. Highs 68 to 74 at 5000 feet and 56 to 64 at 8000 feet.

Tuesday Night through Thursday Night: Mostly clear. Lows 43 to 53 at 5000 feet and 34 to 44 at 8000 feet. Highs 67 to 77 at 5000 feet and 58 to 67 at 8000 feet.

Friday: Mostly sunny. Highs 61 to 68 at 5000 feet and 51 to 59 at 8000 feet.

Friday Night: Mostly cloudy. Colder. Lows 32 to 42 at 5000 feet and 22 to 31 at 8000 feet.

Saturday: Mostly sunny. Highs 47 to 53 at 5000 feet and 37 to 43 at 8000 feet.
Impacts - E19 Information
7.0 FeetRiver is closed to rafters and floatation.
9.0 FeetChapel Meadow (south side of river) and Cooks Meadow (north side of river) begins to experience overflow.
9.5 FeetPortion of Lower Pines Campground becomes flooded. Limited site-specific evacuations begin at Housekeeping Camp located along the south-facing bank of the Merced River. (Upstream from Sentinel Bridge and downstream from Stoneman Bridge)
10.0 FeetWestern portion of North Pines Campground, located at the east end of Yosemite Valley between the confluence of the Merced River and Tenaya Creek, begins to flood. Water rises to the base of the "swinging bridge".
12.5 FeetNorthside Drive and Southside Drive, which are the major roads in Yosemite Valley, become flooded and are closed to traffic.
23.45 FeetFlood of record (01/02/1997). $178 Million damage to Yosemite Valley.
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.