High temperatures are impacting many areas of the state.
The California Governor’s Office of Emergency Services encourages residents to visit their county’s community services pages for resources, including heat safety information and places to stay cool.
For Extreme Heat safety tips and resources, visit the Ready California website.
Note: all information is current as of Aug. 25, 2026. Some county specifics may have changed since the latest update.
- Alameda County
- Alpine County
- Amador County
- Butte County
- Calaveras County
- Colusa County
- Contra Costa County
- Del Norte County
- El Dorado County
- Fresno County
- Glenn County
- Humboldt County
- Imperial County
- Inyo County
- Kings County
- Kern County
- Lake County
- Lassen County
- Los Angeles County
- Madera County
- Marin County
- Mariposa County
- Mendocino County
- Merced County
- Modoc County
- Mono County
- Monterey County
- Napa County
- Nevada County
- Orange County
- Plumas County
- Placer County
- Riverside County
- Sacramento County
- San Benito County
- San Bernardino
- San Diego County
- San Francisco County
- San Joaquin County
- San Luis Obispo County
- San Mateo County
- Santa Barbara County
- Santa Clara County
- Santa Cruz County
- Shasta County
- Sierra County
- Siskiyou County
- Solano County
- Sonoma County
- Stanislaus County
- Sutter County
- Tehama County
- Trinity County
- Tulare County
- Tuolumne County
- Ventura County
- Yolo County
- Yuba County