Station Name: MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 4,095 feet

Nearest Address:
Happy Isle Loop Rd
Yosemite Valley, CA 95389
Mariposa County

GPS Coordinates: 37.73131496, -119.5590514

Nearby Water Temperatures

Heat Advisory issued June 13 at 10:39AM PDT until June 16 at 11:00PM PDT by NWS Hanford CA

Effective: Sat June 13, 2026, 10:39 AM
Expires: Sat June 13, 2026, 7:00 PM

* WHAT...High temperatures up to 103 degrees expected. * WHERE...A portion of central California. * WHEN...Until 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate Risk of heat-related illnesses to those sensitive to heat, such as older adults (65+), infants, athletes, outdoor workers, those without effective cooling, and those with chronic diseases. Some risk to general population.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Special Weather Statement issued June 13 at 4:49PM PDT by NWS Reno NV

Effective: Sat June 13, 2026, 4:49 PM
Expires: Sat June 13, 2026, 5:45 PM

At 449 PM PDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from Topaz Lake to Crowley Lake. Movement was northeast at 10 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Mammoth Lakes, Bridgeport, Lee Vining, Bodie, Twin Lakes, Crowley Lake, Mono Lake, Coleville, Benton, Topaz Lake, Gardnerville Ranchos, Bridgeport Reservoir, Robinson Creek Campground, Conway Summit, Walker, Benton Hot Springs, Devils Gate Summit, Crestview, Alpine Village, and Montgomery Peak.

If outdoors, consider seeking shelter inside a building.