Station Name: TUOLUMNE R A GRAND CYN OF TUOLUMNE AB HETCH HETCHY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,842 feet

Nearest Address:
White Wolf Road
Groveland, CA 95321
Tuolumne County

GPS Coordinates: 37.9165884, -119.6598938

Nearby Water Temperatures

Heat Advisory issued May 8 at 11:34AM PDT until May 12 at 8:00PM PDT by NWS Hanford CA

Effective: Fri May 8, 2026, 11:34 AM
Expires: Fri May 8, 2026, 8:15 PM

* WHAT...High temperatures up to 102 with widespread Moderate HeatRisk expected. Areas of Major HeatRisk will impact portions of the foothills where the thermal belt exists overnight and in urban areas including Fresno. * WHERE...A portion of central California. * WHEN...From 11 AM Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

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.