Monday will be mainly fine with temperatures at 36 C inland, around 31 C on the south and east coasts, 30 C on the west and north coasts and 26 C in the mountains.
Tuesday will also be mainly fine. Wednesday will start off fine, but increased cloud is expected later in the day with the possibility of isolated showers or thunderstorms inland and southeast in the afternoon.
Thursday will be cloudy at intervals with the possibility of local showers or isolated thunderstorms, mainly in the west and north, and later in the day in other areas.
Temperatures will remain essentially unchanged on Tuesday, remaining above average for the time of year, edging down on Wednesday and Thursday.