National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service



MERCED RIVER - HAPPY ISLES (HPIC1)
Latitude: 37.73º NLongitude: 119.56º WElevation: 4017 Feet
Location: Mariposa County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Dec 08, 2023 at 8:09 AM PST
Monitor Stage: N/A Flood Stage: 7.5 Feet
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble File Download (Data in feet):  HPIC1
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What information is considered in this forecast?
Verification / Historical Plots
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Location Photographs

ESRI™ Locator Map
Impacts - E19 Information
7.0 FeetCampgrounds at North Pines and Lower Pines begin to flood.
7.5 FeetHousekeeping Camp and Yosemite Valley Backpacker Campground begin to flood.
10.0 FeetNorthside Drive at Wosky Pond, Southside Drive at Chapel Meadow, El Capitan Crossover, and Sentinel Crossover are impassible to vehicles.
13.27 FeetFlood of record - January 2, 1997. $178M in damage to Yosemite Valley.
Official 7 Day National Weather Service Forecast   (CAZ324)
Today: Sunny. Highs 44 to 54. Southeast winds up to 5 mph shifting to the southwest in the afternoon.

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

Saturday: Not as cool. Sunny. Highs 50 to 60. Northeast winds up to 5 mph shifting to the west in the afternoon.

Saturday Night: Partly cloudy. Lows 39 to 45. Northeast winds up to 5 mph.

Sunday: Partly sunny. Highs 54 to 64. Northeast winds up to 5 mph shifting to the northwest around 5 mph in the afternoon.

Sunday Night: Mostly cloudy. Lows 36 to 44.

Monday: Partly sunny in the morning then clearing. Highs 52 to 60.

Monday Night through Wednesday: Mostly clear. Lows 34 to 42. Highs 51 to 59.

Wednesday Night and Thursday: Partly cloudy. Lows 34 to 42. Highs 49 to 57.