< California Heat Advisory | Effective 05/10/2026 19:32

California Heat Advisory | Effective 05/10/2026 19:32

Headline: 
Heat Advisory issued May 10 at 7:32PM PDT until May 12 at 8:00PM PDT by NWS Hanford CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
May 10, 2026 - 7:32pm
Expires: 
May 11, 2026 - 4:00am
Description: 
* 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...San Joaquin Valley, Coastal Ranges, as well as Lake Isabella and the Kern River Valley. * WHEN...From 11 AM Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
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.
Area Description: 
West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and 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; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley
Forcast Office: 
NWS Hanford CA