Canberrans can expect a cool change from Monday after a warm and windy weekend.

Robert Frost once pondered whether the world would end in fire, or in ice. They weren't heralding the world's end, but this week fire and ice both reared their heads across the state.

Canberra hasn't seen any heatwaves this summer, but that doesn't mean it hasn't been a hot one.

NSW will likely cop its third buffeting from an east coast low in five weeks but there is some good news.

There are more than 4000 uninhabitable homes across NSW as people begin to wonder what to do amid the mammoth clean-up effort.

The Bureau of Meteorology has warned of possible flash flooding in the Queanbeyan and Molonglo rivers on Friday.

Brisbane's sweaty masses are set for a slight reprieve leading into the weekend, with the high temperatures and sticky humidity both set to become that little more bearable.

If Thursday hits its predicted peak it will be the ACT's longest March heat spell on record.

Global temperature records continue to tumble, with August easily the hottest in 124 years of data, Japan's Meteorological Agency says.

Two major industry groups are asking the Australian and Queensland governments to financially support flood mitigation projects in the Greater Brisbane region that have been proven to work since the 2011 floods.