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: May 16, 2024 at 9:26 AM PDT
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.
Short-Range Peak Exceedance Plot      Product Info.    CSV Ensemble File Download (Data in feet):  HPIC1
Cursor readout:


Show:






What information is considered in this forecast?
Verification / Historical Plots
<-- Previous Forecast  Forecast Date:   Forecast Cycle:  
Select up to 2 thresholds to use to calculate exceedance probabilities.

Threshold 1:


Threshold 2:



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)
Tonight: Mostly clear. Lows 52 to 58. North winds up to 5 mph shifting to the east after midnight.

Friday: Sunny. Highs 70 to 82. Southwest winds up to 10 mph.

Friday Night: Mostly clear. Lows 52 to 58. West winds up to 10 mph shifting to the northeast after midnight.

Saturday: Sunny. Highs 67 to 79. East winds up to 5 mph shifting to the west in the afternoon.

Saturday Night: Mostly clear. Lows 48 to 54. West winds up to 10 mph shifting to the east after midnight.

Sunday: Sunny. Highs 65 to 77.

Sunday Night: Mostly clear. Lows 46 to 52.

Monday: Sunny. Highs 64 to 74.

Monday Night: Mostly clear. Lows 46 to 52.

Tuesday: Sunny. Highs 67 to 77.

Tuesday Night through Thursday: Mostly clear. Lows 43 to 53. Highs 60 to 74.