National weather forecast for Sunday January 14.

Sydney is approaching Brisbane-like levels of humidity this January, with climate change likely to make it more commonplace.

Heavy rainfall overnight has triggered flash flooding in parts of Sydney.

Flash flooding impacting Sydney roads after heavy rain hits city.

National weather forecast for Monday January 15

Bushfire emergency continues in Perth's north as residents told it's too late to leave.

A bushfire has claimed two homes in Perth as dangerous conditions continue.

Torrential rain and damaging winds have uprooted trees, created accidents on the road and left hundreds of residents dialling for help across Sydney.

Venomous fire ant populations are growing and colonies are forming so-called rafts in floodwater, which help the insects spread their population, as seen in this recent video from the Gold Coast, Queensland.

National weather forecast for Tuesday January 16

Sydney residents warned of more heavy rain during peak commute times.

A large summer storm has torn through Perth sending temperatures dropping 15 degrees in under an hour.

A vicious storm cell has hit a number of suburbs in Melbourne's south-east.

National weather forecast for Wednesday January 17

Venomous fire ants caught in Queensland floodwaters are forming living rafts that can quickly travel long distances, raising the threat of more incursions into NSW.

A tropical low system off Queensland is at high risk of developing into a cyclone, just weeks after Cyclone Jasper hit.

Wild storms have lashed Victoria, trapping multiple cars in floodwaters and prompting almost 100 calls for help.

An expanse of frozen water larger than two NSWs or seven Victorias is disappearing faster than scientists had predicted.

National weather forecast for Thursday January 18

The Felixer has been trained to detect feral cats and foxes, shooting a toxin into their fur that could help the war on feral animals. But it’s illegal to use in Victoria.

A video posted online shows a violent clash between protester Mark Graham and two forestry workers, which was followed by lengthy interactions with police.

Sydney swimmers have been urged to stay out of the water as pollution levels surge.

National weather forecast for Friday January 19

Queenslanders are bracing for a cyclone developing off the coast, which is set to hit around Wednesday next week.

The weather forecast for January 20.