An extreme heat watch has also been issued from Wednesday afternoon through Saturday evening for much of the Southern California region. Weather officials say the hot conditions will increase the risk of heat illness for everyone, especially vulnerable populations, including young children, the elderly and those without air conditioning.

A fire weather watch and red flag warnings have been issued for later this week across portions of Southern California. The National Weather Service has issued red flag warnings across large sections of Ventura and Los Angeles Counties, while a fire weather watch is also in place.

A battalion chief from Kern County involved in the Canyon fire operations was seriously injured when his truck rolled over.