< California Heat Advisory | Effective 05/11/2026 21:19

California Heat Advisory | Effective 05/11/2026 21:19

Headline: 
Heat Advisory issued May 11 at 9:19PM PDT until May 12 at 8:00PM PDT by NWS Hanford CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
May 11, 2026 - 9:19pm
Expires: 
May 12, 2026 - 6:15am
Description: 
* WHAT...High temperatures as hot as 102 degrees. Overnight lows near 70 degrees in the warmest locations, including Bakersfield and Fresno. * WHERE...San Joaquin Valley, as well as Lake Isabella and the Kern River Valley. * WHEN...Until 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: 
Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; 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