Update: Heat advisory for Yosemite until Sunday morning

Yosemite is the focus of an updated heat advisory released at 10:34 p.m. on Friday by the National Weather Service. The advisory is in effect until Sunday, Jun. 1 at 7 a.m.

According to the NWS Hanford CA, “High temperatures up to 105 degrees expected.”

“Moderate to Major risk for heat-related illnesses, especially for those sensitive to heat,” according to the NWS.

The full list of affected locations includes:

Yosemite Valley
West Side Mountains north of 198
Los Banos – Dos Palos
Merced – Madera – Mendota
Planada – Le Grand – Snelling
Coalinga – Avenal
West Side of Fresno/Kings Counties
Caruthers – San Joaquin – Selma
Fresno-Clovis
West Side Mountains South of 198
Buttonwillow – Lost Hills – I5
Delano-Wasco-Shafter
Hanford – Corcoran – Lemoore
Visalia – Porterville – Reedley
Bakersfield
Southeast San Joaquin Valley
South End San Joaquin Valley
Mariposa Madera Foothills
Mariposa-Madera Lower Sierra
Fresno-Tulare Foothills
Fresno-Tulare Lower Sierra
South End Sierra Foothills
Kern River Valley
Buena Vista County

Heat safety: Protecting yourself in hot conditions

Stay hydrated: Drink plenty of fluids.
Find cool shelter: Stay indoors in an air-conditioned room to keep cool.
Avoid sun exposure: Avoid direct sun exposure, protect yourself and check on vulnerable relatives and neighbors.
Child and pet safety: Take every precaution to never leave young children and pets alone in vehicles, especially in extreme heat when car interiors can quickly become hazardous.
Caution outdoors: If you work or spend time outside, be sure to take additional safety measures.
Select the ideal time: If possible, move strenuous activities to early morning or evening for more favorable conditions.
Recognize heat-related issues: Learn to identify the warning signs of heat exhaustion and heat stroke.
Stay cool with clothing: Wear lightweight and loose-fitting clothing to stay cool.

Additional recommendations for outdoor workers:

For outdoor workers, the Occupational Safety and Health Administration (OSHA) recommends regular rest breaks in shaded or air-conditioned areas.
If someone is overwhelmed by the heat, swiftly relocate them to a cool, shaded location.
In emergencies, call 911 for immediate assistance.

These NWS heat safety directives are essential for safeguarding your well-being when facing high temperatures. Stay well-informed and take the necessary precautions to shield yourself and others from the potential hazards of extreme heat.

Originally Published: May 30, 2025 at 10:36 PM PDT