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 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
2016
4,080
7.90
May 14, 2016
2015
2,370
6.16
Feb 9, 2015
2014
1,680
5.33
Apr 19, 2014
2013
2,780
6.62
Apr 30, 2013
2012
4,230
8.04
Apr 26, 2012
 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   (CAZ096)
Today: Sunny. Highs 31 to 37 at 5000 feet and 20 to 26 at 8000 feet.

Tonight: Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of snow showers after midnight. Lows 16 to 26 at 5000 feet and 2 to 12 at 8000 feet.

Wednesday: Mostly cloudy. Slight chance of snow showers. Near the crest, slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Highs 33 to 39 at 5000 feet and 22 to 30 at 8000 feet.

Wednesday Night: Mostly cloudy. Slight chance of snow showers in the evening, then chance of snow showers after midnight. Chance of snow 50 percent. Lows 19 to 29 at 5000 feet and 7 to 15 at 8000 feet.

Thursday: Mostly cloudy with a 50 percent chance of snow showers. Highs 25 to 31 at 5000 feet and 14 to 22 at 8000 feet.

Thursday Night: Snow showers likely in the evening, then chance of snow showers after midnight. Chance of snow 70 percent. Lows 21 to 31 at 5000 feet and 8 to 18 at 8000 feet.

Friday: Mostly cloudy with a 50 percent chance of snow showers. Not as cold. Highs 30 to 36 at 5000 feet and 21 to 27 at 8000 feet.

Friday Night through Sunday: Partly cloudy. Very windy. Lows 19 to 29 at 5000 feet and 9 to 19 at 8000 feet. Highs 35 to 45 at 5000 feet and 27 to 37 at 8000 feet.

Sunday Night: Partly cloudy. Slight chance of snow showers after midnight. Lows 23 to 33 at 5000 feet and 11 to 21 at 8000 feet.

Monday: Mostly cloudy. Slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Chance of snow 50 percent. Highs 42 to 50 at 5000 feet and 32 to 38 at 8000 feet.
Impacts - E19 Information
6.5 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 downstream from Chapel Meadow.
12.5 FeetNorthside Drive and Southside Drive, which are the main 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.