Total fire bans are in place for a large portion of the state today due to extreme heat.
This includes the City's of Mandurah, Rockingham and Kwinana and the Shire's of Murray and Serpentine-Jarrahdale.
Open fires, metal work, grinding and welding along with off-road activity such as four-wheel-driving is prohibited.
It comes as a number of WA towns broke heat records on Sunday with Carnarvon and Shark Bay reaching almost 50 degrees.
Perth is set to hit 43C on Monday, while 39C is forecast for Mandurah and Rockingham.
Nearly 100 new rentals to be built in Mandurah
Blue swimmer crabs off limits during season closure
Fire crews on scene of Meadow Springs house fire
Perth's southern suburbs declared One Nation's 'heartland' after Secret Harbour by-election victory
Construction contract awarded for Kwinana Freeway upgrade
Port Kennedy humpback whale buried at landfill facility
Secret Harbour by-election: Where to vote on August 29
Mandurah man charged over role in alleged sophisticated cybercrime syndicate
Locals urged to look out for man who removed electronic monitoring device