Firefighters from South Australia have arrived in southern Queensland to give local crews a much-needed rest, but the break may be short-lived as conditions are forecast to get worse later in the week.

Key points: Queensland remains under a high to very high fire danger, with dozens of blazes still burning

Queensland remains under a high to very high fire danger, with dozens of blazes still burning Improvements in fire conditions are allowing crews to get to fires in terrain too difficult to reach before

Improvements in fire conditions are allowing crews to get to fires in terrain too difficult to reach before Authorities urge sightseers to stay away from fire zones, warning they are still not safe

Queensland remains under a high to very high fire danger, with about 50 blazes burning from Cape York to the New South Wales border, but there are no immediate threats.

Fire crews used Saturday's easing weather conditions to get the upper hand on dozens of blazes burning across Queensland.

The Queensland Fire and Emergency Service (QFES) said there has been more than 1,200 bushfires across the state since the start of September.

All fires are currently at an advice warning level.

The Rural Fire Service (RFS) said Saturday's favourable weather conditions had made it safe enough for crews to access difficult terrain to fight bushfires burning near Sarabah in the Gold Coast hinterland.

The cluster of fires near Sarabah remains the biggest concern for authorities because of the nature of the country.

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"It's very rough, rugged country [near Sarabah] — very beautiful country, but rugged — and as a consequence of that, it's very hard for us to get in and around it and tie it up," QFES Superintendent James Haig said.

"The bush is very dry indeed. While the conditions have abated, we're still talking about very high fire dangers across much of the state."

RFS area director Kaye Healing said the help from interstate was a "Godsend".

"It will give them [the Queensland crews] an opportunity to take a bit of a break and enjoy some family time this weekend and utilise those resources we've got effectively from South Australia to do that work," she said.

She said the improvement in fire conditions was also allowing crews to get to fires in terrain too difficult to reach before.

RFS firefighters put out spot fires at Binna Burra Road at Beechmont on September 12. ( AAP: Glenn Hunt )

"We're able to do a lot more proactive work around the fires, so we're not going to see the conditions that we saw last week," she said.

"We're going into direct-attack mode and actually securing up some of our flanks and providing an opportunity to do some risk assessments for predicted weather next week.

"What we're actually doing now is we're able to get in there and get our crews in there on foot and work in some of that really difficult country that we haven't been able to get into."

But she said firefighting and water bombing alone would not stop the blazes.

"The water bombing itself won't put the fire out — what that does is keep the flame height and the intensity down low, so we can put our ground crews right at the fire edge and really do some mopping up and some extinguishing along that fire line," she said.

Ms Healing said the unusually dry conditions allowed the fires to burn underground and pop up elsewhere.

"A lot of the roots are really dry and they're burning underground and popping up into unburnt areas … and we get small runs and that will continue until it rains," she said.

Firefighters prepare to battle blazes burning near Canungra. ( AAP: Aaron Bunch )

'Pretty proud' to help

Brendon Saers is one of 55 firefighters from the South Australian Country Fire Service to come and help in Queensland.

"I think all the firefighters that we brought over are pretty proud that we could come over and assist you guys," he said.

"We're here until Monday and another contingent arrives tomorrow to replace us.

"The fire's been burning for 15 days, so to support the local crews is pretty important."

Mr Saers said it was an early start to the bushfire season and a learning experience for him.

"We usually get up and running in late October," he said.

"Certainly to come over here and see the fuel type as dry as it is … it's an eye-opener for myself."

Bushfire danger 'definitely not over'

Bureau of Meteorology (BOM) forecaster Michael Knepp said lighter winds and some moisture overnight had helped fire crews on the ground on Saturday.

"This belt of large pressure over southern Queensland just means we're seeing light winds — still seeing temperatures above average — but just because we've got those light winds, we are seeing an easing fire threat," he said.

"There are still some fires out there, but thankfully with the light winds, they're not as serious as it has been over the last week.

"A little bit of moisture was brought in to the far south east, so that would've also helped.

"[Bushfire danger is] definitely not over — still got that high to very high fire danger and that should continue into next week as well."

Queensland Rural Fire Service volunteers assess bushfire conditions. ( Facebook: QFES )

Smoke haze to worsen in south-east Queensland

BOM senior forecaster Sam Campbell said the fires in north-east New South Wales over the last couple of days were contributing to the smoke haze in southern Queensland.

"The south-easterly change is just pushing into southern Queensland now — that's going to bring quite a lot of smoke into the south-east of the state this [Saturday] evening and overnight as well," he said.

"Smoky, hazy conditions are then likely for areas just to the south of Toowoomba, up through Brisbane, and through the Gold Coast as well."

Mr Campbell said hopefully that smoke would largely dissipate on Sunday afternoon.

"We should see some haze during the morning hours [of Sunday], but as we go further into the day … we should see the winds easing back and getting a bit more east to north-easterly, and around the coastal locations that'll bring in some clearer air," he said.

"The smoke area should start to mix out during the afternoon as well as [went] the day heats up, but during the morning period there could be quite a bit of smoke haze trapped down near the surface of the Earth."

'Don't come out here to be a spectator'

Authorities have urged sightseers to stay away from fire zones, warning they were still not safe.

Police Inspector Scott Macqueen praised the public for its vigilance, but asked that people avoided coming to affected areas to look at the fire damage.

"We urge you, unless you have a reason, don't come out here to be a spectator — it may put you in a situation where you could create an accident," he said.

"For us — the police on the ground — it's following the lead of the fire command and providing that assistance to do road closures when required.

"We do urge people to maintain that vigilance — even tourists if you're out this way to be aware of what's occurring and to ensure that your actions are not going to put yourself in a place of danger."

Firefighters at the destroyed Binna Burra Lodge on September 10. ( ABC News: Jennifer Huxley )

Meanwhile, disaster assistance, including loans and freight subsidies, has been extended to help primary producers, small businesses and not-for-profits impacted by the southern Queensland bushfires.

Assistance is being provided through the jointly funded Commonwealth-State Disaster Recovery Funding Arrangements (DRFA) and is in addition to the DRFA funding already available in the regions.