Overview
- NWS Las Vegas posted an Extreme Heat Warning through 8 p.m. Sunday with temperatures up to about 102°F across parts of northwest Arizona, southeast California and southern Nevada.
- NWS Los Angeles/Oxnard issued an Extreme Heat Warning for the Santa Barbara and San Luis Obispo mountain ranges through Friday with highs in the 90s to near 100.
- A separate Heat Advisory from the same office covers Central Coast beaches and valleys through Friday with highs mainly in the 80s and 90s.
- NWS San Diego announced a Heat Advisory for the Inland Empire through Friday with highs in the upper 90s to 104°F, plus an Extreme Heat Warning for the San Gorgonio Pass through Saturday with 98–108°F.
- Advisories stress hydration, access to air conditioning, avoiding peak sun, checking on vulnerable people, keeping children and pets out of vehicles, and OSHA-recommended shaded rest breaks for outdoor workers.