It was a day which saw tops of 39.2 degrees in the city and 40.7 in the west, and ended dramatically with severe thunderstorm warnings across the west.

A Kiama drone operator has told of his urgent efforts to raise the alarm after a shark made an unexpected appearance in his video, coming disturbingly close to unaware surfers.

Sydney is in for gusty winds on Wednesday, followed by chilly temperatures next week as Winter makes itself known.

Can't make it to the beach because of work? Don't fret, there's some excellent weather coming this weekend.

Damaging winds and blizzard conditions are forecast for the ACT and region from Monday to Wednesday.

Queanbeyan and Molonglo rivers have been issued a severe weather warning and remain on flood watch.

Canberrans spent much of Valentine's Day looking for ways to cool off and beat the heat as the capital sizzled.

The Earth is in the midst of an usually long spell between ice ages and the build-up of carbon dioxide emissions through the burning of fossil fuels may postpone the next glaciation event by at much as 100,000 years, according to new climate research.

Monday morning's grey drizzly skies will usher in a warmer than average work week, before a turn for the chilly on Friday.

The powerful El Nino continues to intensify in the Pacific and is now the strongest since the record-breaking 1997-98 event, the Bureau of Meteorology said.

It's only the second July federal election in Australian history - but the weather signs are good.

Sydney could get its best weather for the year, with a week of gently warming days, lots of sunshine and little rain.

Sydney's run of unusually cold mornings will extend well into next week as mostly clear skies combine with light winds and a frigid air mass to sink the mercury.

Don't forget the brolly: Melburnians are waking up to the third-wettest day of the year, and the rain isn't going away any time soon.

A broad and unpredictable trough stretching across south-east Australia could inundate Canberra with a month's worth of rain this weekend.

Residents across an arc of eastern Australia stretching from Queensland to Tasmania should be on watch for more potentially severe weather this weekend as another winter storm loom, the Bureau of Meteorology said.

The trail of destruction left behind suggests the supercell storm that struck Forbes Creek south of Bungendore on Saturday was a tornado, on the same night Canberra had its highest daily rainfall for the month.

There's good news though - it won't get worse.

On a sunny Friday morning grower David McIntyre packed his walnuts and set out from the tiny Victorian town of Stanley to plead with beer giant Asahi to stop buying the water from beneath him.

Moderate global warming that has occurred as a result of human emissions has quadrupled the frequency of certain heat extremes since the Industrial Revolution, study finds.