Effective as of 12:00 AM Saturday December 18 2021
View the latest severe weather warnings from BOM at http://www.bom.gov.au/wa/warnings/ .
Explanatory notes:
A weak cold frontal passage early yesterday brought some showers to the region. Shower activity increases again today in the moist onshore flow ahead of an approaching cold front with the cold front arriving in the afternoon bringing further showers.
Fine conditions from Sunday as subtropical high pressure ridge builds to the south.
Saturday December 18: