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MERCED RIVER - HAPPY ISLES (HPIC1)
Latitude:
37.73º N
Longitude:
119.56º W
Elevation:
4017 Feet
Location: Mariposa County in CA
River Group: San Joaquin
Issuance Time: Jul 06 2025 at 8:12 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
10-Day Probability Plot




Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ324)
Today: Sunny. Highs 78 to 92. West winds up to 5 mph increasing to southwest 10 to 15 mph in the afternoon.

Tonight: Clear. Lows 56 to 64. South winds 5 to 10 mph shifting to the east after midnight.

Tuesday: Sunny. Highs 77 to 91. Southeast winds up to 10 mph shifting to the southwest in the afternoon.

Tuesday Night: Clear. Lows 56 to 64. Southwest winds 5 to 10 mph shifting to the east after midnight.

Wednesday: Sunny. Highs 77 to 91. Southeast winds up to 5 mph increasing to southwest 10 to 15 mph in the afternoon.

Wednesday Night through Sunday: Clear. Lows 57 to 70. Highs 81 to 98.

Flood Impacts
13.27 FeetFlood of Record: 1/2/97. $178 million in damage to Yosemite Valley.
10.0 FeetNorthside Drive at Wosky Pond, Southside Drive at Chapel Meadow, El Capitan crossover, and Sentinel crossover are impassable to vehicles.
8.2 FeetSwinging Bridge overtops. Water on road at Northside Drive, Southsie Drive, El Capitan crossover, and Sentinel crossover.
7.5 FeetFlood Stage. Housekeeping camp and Yosemite Valley backpacker campground begin to flood.
7.0 FeetNorth Pines and Lower Pines campgrounds begin flooding.