Firefighters trying to control record NSW bushfires before 'dangerous' weather forecast

Firefighters are desperately trying to control devastating bushfires across New South Wales before a "dangerous day" of weather forecast for Tuesday with the Rural Fire Service warning "lives will be at risk".

As the state begins to count the devastating cost of the fires, three people have been confirmed dead and there are fears that number could rise, with five people reported missing.

Conditions eased today. Firefighters are now desperately trying to control the bushfires as the RFS said Tuesday will likely see widespread severe and extreme fire danger from the Queensland border to the south coast and across the central west.

"Tuesday 12 November will be a dangerous day," it tweeted.

"With so many fires already burning, homes and lives will be at risk."

This morning, 72 fires were burning across NSW, 36 of which were not under control.

Eleven fires remain at a watch and act level.

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Two people have died, seven are missing and 35 were injured in the wildfire. Source: Associated Press

RFS Inspector Ben Shepherd said fire crews are doing all they can to control blazes already burning before Tuesday.

"We are looking down the barrel of a busy few days and potentially a dangerous day come Tuesday," he told Seven News today.

"We're trying to get as many of these fires under control before the onset of that weather on Tuesday, but look we won't have these fires under control by that stage we'll have to concentrate where it is burning close to residential areas."

In the meantime RFS Commissioner Shane Fitzsimmons said assessment teams are bracing themselves for "considerable losses".

"There are communities and fire grounds where we are expecting to tally up considerable losses of homes and other properties," he said.

"A number of our own fire stations have been destroyed."

At least 150 homes have been destroyed by the fires although this number is likely to climb as detailed assessments begin.

Mr Fitzsimmons said other important community assets had also been lost in the fires.

"We're talking about schools being destroyed, we're talking about community halls, bridges, power poles," he said.

"All of those sorts of things — they get consumed in the path of a volatile fast-moving fire."

Fire assessment teams would comb through devastated areas over the coming days, Mr Fitzsimmons said.

"The more forensic process of getting in and doing the detailed assessments will come over coming days.

"Clearly, from what we are seeing, and we do not have indicative assessments from all these fire grounds yet, but estimates are at least 150."

NSW Premier Gladys Berejiklian said South Australia, Tasmania and Victoria were all sending reinforcements to help the state fight fires.

The premier said the federal and state governments had already moved to put disaster relief arrangements in place.

"I want to assure communities throughout the mid and north coast no matter in which way they've been impacted, we know for some people they've lost everything, for some people they've lost a loved one ... no matter what anyone's circumstances please know we're here to support you," Ms Berejiklian told Seven News.

An estimated 2000 people have used the more than 15 formal evacuation centres set up.

The RFS will also coordinate relief work with the Australian Defence Force.

A woman who died as she tried to flee the weekend's devastating bushfires has been identified by NewsCorp today as 63-year-old Julie Fletcher.

Ms Fletcher's body was discovered on Saturday night in a burnt-out home in the town of Johns River some 40km north of Taree on the mid-north coast.

She had packed her bags and her car to try and escape the fire, however didn't make it out in time, the Daily Telegraph reported.

Wytaliba resident Vivian Chaplain, 69, has also been named as one of the victims.

She was treated for burns before being transferred to a Sydney hospital where she later died, the RFS said on Saturday.

An elderly man from Wytaliba is also believed to have been a victim.

In Queensland, bushfires also destroyed houses, sheds and cars and forced thousands to flee their homes continue to burn.

Fifty-five fires were burning in the Queensland this morning, including the huge fire at Cooroibah, north of Noosa, where an emergency zone remains. Thousands of people have been evacuated from the paths of the fires.

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Three people have now died and dozens more have been injured as more than 70 fires burn. Source: 1 NEWS