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: Nov 28 2022 at 1:51 PM PSTNext Issuance: Nov 29 2022 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
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
2017
10,500
12.69
Jan 9, 2017
 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
Official 7 Day National Weather Service Forecast   (CAZ324)
Today: Sunny. Highs 43 to 51. Southwest winds up to 5 mph.

Tonight: Mostly clear. Lows 29 to 37. East winds up to 5 mph.

Wednesday: Mostly sunny. Highs 44 to 52. South winds up to 10 mph.

Wednesday Night: Mostly clear in the evening, then mostly cloudy with a 50 percent chance of rain and snow after midnight. Near steady temperature in the mid 30s. Southeast winds up to 5 mph.

Thursday: Chance of snow and rain in the morning, then rain and snow in the afternoon. Snow may be heavy at times in the afternoon. Heavy snow accumulations. Snow level 4700 feet. Highs 36 to 44. South winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 90 percent.

Thursday Night: Rain and snow in the evening, then rain likely after midnight. Snow may be heavy at times in the evening. Heavy snow accumulations. Lows 25 to 33. Chance of precipitation 80 percent.

Friday and Friday Night: Mostly cloudy. Highs 37 to 45. Lows 25 to 33.

Saturday: Mostly cloudy. Chance of rain in the morning, then chance of rain and snow in the afternoon. Highs 38 to 46. Chance of precipitation 50 percent.

Saturday Night: Rain and snow likely. Moderate snow accumulations. Near steady temperature in the mid 30s. Chance of precipitation 60 percent.

Sunday: Cloudy in the morning then becoming partly sunny. A 50 percent chance of snow and rain. Highs 34 to 42.

Sunday Night and Monday: Partly cloudy. Lows 22 to 30. Highs 36 to 44.
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.