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
Issuance Time: Jan 26 2021 at 2:27 PM PSTNext Issuance: Jan 27 2021 at 9:00 AM PST
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.

Verification - Historical Graphical RVF
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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)
Today: Snow. Very windy. Not as cold. Snow accumulation up to 15 inches. Highs 33 to 39 at 5000 feet and 24 to 30 at 8000 feet. South winds 30 to 40 mph with gusts to around 75 mph. Wind chill readings around 7 below.

Tonight: Snow, windy. Snow accumulation up to 12 inches. Lows 29 to 35 at 5000 feet and 21 to 26 at 8000 feet. South winds 25 to 30 mph with gusts to around 55 mph.

Thursday: Snow. Rain in the afternoon, south winds around 25 mph with gusts to around 45 mph in the morning. Windy. Snow accumulation up to 12 inches. Highs 34 to 40 at 5000 feet and 24 to 32 at 8000 feet. Over higher elevations, south winds 25 to 30 mph, gusts up to 45 mph in the morning.

Thursday Night: Snow. Snow accumulation up to 12 inches. Lows 27 to 35 at 5000 feet and 16 to 24 at 8000 feet.

Friday: Snow likely. Chance of snow 70 percent. Snow accumulation up to 3 inches. Highs 34 to 40 at 5000 feet and 23 to 31 at 8000 feet.

Friday Night: Partly cloudy in the evening then becoming mostly cloudy. Colder. Lows 22 to 30 at 5000 feet and 12 to 20 at 8000 feet.

Saturday: Partly sunny in the morning then clearing. Highs 39 to 45 at 5000 feet and 28 to 36 at 8000 feet.

Saturday Night: Mostly clear. Lows 25 to 34 at 5000 feet and 16 to 24 at 8000 feet.

Sunday: Mostly sunny. Highs 43 to 49 at 5000 feet and 31 to 39 at 8000 feet.

Sunday Night: Partly cloudy in the evening then becoming mostly cloudy. Slight chance of snow. Lows 29 to 39 at 5000 feet and 20 to 28 at 8000 feet.

Monday: Mostly cloudy with a 50 percent chance of snow and rain. Highs 42 to 48 at 5000 feet and 30 to 38 at 8000 feet.

Monday Night: Snow and rain likely in the evening, then snow likely after midnight. Chance of precipitation 70 percent. Lows 30 to 38 at 5000 feet and 20 to 28 at 8000 feet.

Tuesday: Snow likely in the morning, then chance of snow in the afternoon. Chance of snow 70 percent. Highs 37 to 42 at 5000 feet and 24 to 32 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.