The meteorological office on Tuesday issued a new yellow warning for very high temperatures.
The warning covers the period between 10 pm on Tuesday and 5 pm on Wednesday.
Temperatures on Tuesday night are expected to be at around 26C inland and the eastern coastal areas, around 27C on the southeast coast, and about 25C on the west coast.
According to the Met Office, the maximum temperature on Wednesday is expected to rise to 41C inland, around 39C on the south coast, 38C on the east coast, 35C on the north coast, 33C on the west coast, and 32C in the higher mountainous areas.
The warm air mass moving the region is expected to gradually start receding from Friday as well as the dust while there could be isolated rains or storms on Saturday.
Clouds are expected on Friday in some areas while temperatures are to drop significantly, to the average for the season. On Saturday, rains or even storms have not been ruled out, mainly inland and the northeast, at around noon and afternoon.