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Updated:August 31, 2025 4:30 pm PDT

Heat Advisory HEAT ADVISORY  
Merced County

  Effective: Sun, 8/31 10:48am Severity:  Moderate 
  Updated: August 31, 2025 4:30 pm Urgency: Expected
  Expires: Sun, 8/31 11:00pm Certainty: Likely

Areas Affected: West Side Mountains north of 198 - Los Banos - Dos Palos - Merced - Madera - Mendota - Planada - Le Grand - Snelling - Coalinga - Avenal - 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 - Buena Vista - Bakersfield - South End San Joaquin Valley - Mariposa Madera Foothills - Fresno-Tulare Foothills - South End Sierra Foothills
 
Alert Details:
* WHAT...High temperatures up to 104 expected.

* WHERE...For the San Joaquin Valley, the West Hills, and the Sierra
Foothills.

* WHEN...From Noon PDT Monday to Midnight PDT Monday Night.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.