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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: | Jun 28 2025 at 8:30 AM PDT |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. Flow data on this product are unregulated / full natural flow. |
| 2025 Water Year Trend Plot |
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ324) |
| Today: Sunny. Highs 79 to 93. South winds up to 5 mph shifting to the southwest 5 to 15 mph in the afternoon. Tonight: Clear. Lows 60 to 68. West winds up to 10 mph shifting to the northeast after midnight. Sunday: Sunny. Highs 79 to 93. East winds up to 5 mph shifting to the southwest in the afternoon. Sunday Night: Mostly clear. Lows 59 to 67. West winds 5 to 10 mph shifting to the northeast after midnight. Monday: Sunny. Highs 80 to 92. East winds up to 5 mph shifting to the southwest in the afternoon. Monday Night through Thursday Night: Mostly clear. Lows 57 to 68. Highs 77 to 92. Independence Day: Sunny. Highs 76 to 88. |
| Flood Impacts | |
| 13.27 Feet | Flood of Record: 1/2/97. $178 million in damage to Yosemite Valley. |
| 10.0 Feet | Northside Drive at Wosky Pond, Southside Drive at Chapel Meadow, El Capitan crossover, and Sentinel crossover are impassable to vehicles. |
| 8.2 Feet | Swinging Bridge overtops. Water on road at Northside Drive, Southsie Drive, El Capitan crossover, and Sentinel crossover. |
| 7.5 Feet | Flood Stage. Housekeeping camp and Yosemite Valley backpacker campground begin to flood. |
| 7.0 Feet | North Pines and Lower Pines campgrounds begin flooding. |