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
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
2011
7,160
10.43
Jun 16, 2011
 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: Chance of rain and snow in the morning, then rain and snow in the afternoon, gusts up to 45 mph in the afternoon. Near the crest, chance of snow in the morning, then snow in the afternoon. Windy. Snow accumulation up to 7 inches. Snow level 7500 feet. Highs 46 to 56 at 5000 feet and 39 to 45 at 8000 feet. Southwest winds 25 to 30 mph with gusts to around 55 mph over higher elevations.

Tonight: Rain and snow and snow near the crest. Windy. Snow accumulation up to 9 inches. Snow level 7500 feet. Lows 32 to 41 at 5000 feet and 21 to 31 at 8000 feet. Southwest winds 30 to 40 mph with gusts to around 60 mph over higher elevations.

Saturday: Snow showers likely in the morning, then chance of snow showers in the afternoon, showers likely in the morning, then chance of showers in the afternoon. Near the crest, a 50 percent chance of snow showers. Over higher elevations, west winds around 25 mph in the morning, gusts up to 45 mph in the morning. Snow accumulation up to 1 inch. Total snow accumulation up to 17 inches. Snow level 6500 feet. Highs 47 to 55 at 5000 feet and 38 to 44 at 8000 feet.

Saturday Night: Partly cloudy. Lows 29 to 39 at 5000 feet and 19 to 29 at 8000 feet.

Sunday: Mostly cloudy. Slight chance of snow in the morning, then chance of snow and rain in the afternoon. Chance of precipitation 50 percent. Snow level 6500 feet. Highs 46 to 56 at 5000 feet and 40 to 46 at 8000 feet.

Sunday Night and Monday: Snow showers likely. Chance of precipitation 70 percent. Lows 32 to 42 at 5000 feet and 20 to 30 at 8000 feet. Highs 45 to 55 at 5000 feet and 34 to 44 at 8000 feet.

Monday Night: Mostly cloudy with a chance of snow showers and slight chance of showers. Chance of precipitation 30 percent. Lows 28 to 38 at 5000 feet and 17 to 27 at 8000 feet.

Tuesday: Mostly sunny. Breezy. Not as cool. Highs 50 to 58 at 5000 feet and 39 to 49 at 8000 feet.

Tuesday Night and Wednesday: Partly cloudy. Lows 33 to 43 at 5000 feet and 24 to 34 at 8000 feet. Highs 53 to 63 at 5000 feet and 43 to 53 at 8000 feet.

Wednesday Night: Partly cloudy with a slight chance of showers. Lows 34 to 44 at 5000 feet and 23 to 33 at 8000 feet.

Thursday: Mostly cloudy with a 40 percent chance of showers. Highs 50 to 58 at 5000 feet and 39 to 45 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.
10.5 FeetWater tops the swinging bridge downstream from Chapel Meadow. Overflow from Woski Pond floods access road (Northside Drive) leading out of the west entrance of the park.
11.5 FeetSewage pumping relay station at North Pines Campground becomes flooded.
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.