Every severe weather report published for Riverside County, California, newest first.
The National Weather Service has issued advisories for Los Angeles and Ventura counties and areas from Malibu to Orange County, with conflicting start and end times reported.
The National Weather Service has issued a heat warning for inland areas, with temperatures expected to remain high through the week.
The National Weather Service has extended the heat advisory for Southern California until 10 a.m. Tuesday, with an extreme heat watch now in effect through Friday evening.
The National Weather Service has extended the heat advisory for Southern California valleys and mountains through 8 p.m. Monday, August 24, 2026.