California Moderate Heat Advisory | Effective 09/08/2026 11:50

Headline: 
Heat Advisory issued September 8 at 11:50AM PDT until September 10 at 10:00PM PDT by NWS Hanford CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 8, 2026 - 11:50am
Expires: 
September 8, 2026 - 8:00pm
Description: 
* WHAT...High temperatures up to 102 and morning lows up to 75 expected. Widespread Moderate HeatRisk will be present with areas of Major HeatRisk in the foothills where the thermal belt is strongest and in urban areas. * WHERE...The San Joaquin Valley, Sierra Nevada Foothills, and West Side Hills along the Coastal Range. * WHEN...From 10 AM Wednesday to 10 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses, especially those without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Little to no relief at night in areas of Major HeatRisk. Air conditioning is necessary; fans and open windows at night will not be enough.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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
Forcast Office: 
NWS Hanford CA
Sender: 
w-nws.webmaster@noaa.gov