However weather officials say no major rainfall is expected in the next two months.
Some of the fires in NSW were generating their own thunderstorms, the Rural Fire Service said.
레플리카사이트=레플리카사이트
Conditions were expected to improve over the next few days ahead of another period of hot weather expected next week.
"We will not get on top of these fires until we get some decent rain - we have said that for weeks and months," Mr Fitzsimmons said.
However weather officials say no major rainfall is expected in the next two months.
이태원부동산
The Gospers Mountain mega fire has destroyed about 460,000 hectares (1.14 million acres) north-west of Sydney and fire officials said there was a risk it could merge with the Grose Valley fire in the Blue Mountains.
What travel warnings have been issued?
The states of NSW and South Australia are the focus of the travel warnings.
쿠쿠 인앤아웃 인스퓨어=쿠쿠 인앤아웃 ICE 10's 인스퓨어 얼음냉온정수기렌탈싼곳
Image copyrightEPA
Image caption
About 3,000 emergency personnel were deployed in NSW on Saturday
In NSW, several major roads and highways have been closed, including a section of the Princes Highway.
몽클레어=몽클레어여성의류
A visual guide to the bushfires and extreme heat
As of 03:00 (16:00 GMT), 22 roads and highways in NSW were affected by fire, according to a government website.
Roads have been closed in South Australia as well, with residents asked to monitor the government traffic website for updates.
"If members of the public attempt to enter the areas, they will be turned away, regardless of being property owners or business owners, due to specific safety reasons," a police official said.
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