Hot, windy conditions in NSW and Qld spark extreme fire warnings

Emergency warnings have been issued for eight fires burning in NSW and Queensland as regions on the east coast face extremely hot and dry conditions.

Surrounding locations were warned to watch and act as other fires burned nearby.

Bureau of Meteorology's Angus Hines said "it's a dynamic situation. Fires can evolve and change and new fires can start so make sure you're getting the latest information about fires in your region through your state emergency service".

Under extreme fire danger, people should prepare to protect their life and property, check their bushfire plan and ensure their property is fire ready.

Travelling through bushfire risk areas should be reconsidered.

NSW Rural Fire Service is battling four fires at emergency warning level and one fire at 'watch and act' level southeast of Tenterfield in the state's north.

People in Nymboida, Jennings, Tarban, Woodside, Plains Station and Pagans Flat areas are at risk, RFS said.

The Glen Innes RSL and Tenterfield Showground opened to accommodate locals leaving early ahead of forecast extreme fire danger.

An estimated 87 grass and bush fires were burning across NSW on the morning of October 31 and around 36 were out of control.

The Greater Sydney, Illawarra/Shoalhaven, New England, northern slopes and north western regions were all due to face extreme fire danger.

The regions were among seven facing total fire bans in NSW amid a forecast of deteriorating conditions.

Warm and dry weather with fresh northwesterly winds is forecast, with potentially severe afternoon and early evening thunderstorms forming along the northern half of the coast and ranges.

A milder, fresh south to southwesterly change was expected to spread across the state throughout the day.

Sydney faced a second straight day of extreme fire danger due to forecast hot and windy conditions.

Around 13,000 homes across Sydney were cut off from power overnight due to extreme weather.

Firefighters late on October 30 gained the upper hand on an out-of-control blaze in inaccessible terrain northeast of Tenterfield.

The 65 hectare bushfire was one of several in the northern Tablelands expected to spread east under westerly winds on October 31.

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Residents of Wallangarra, near fires burning on the NSW border are warned by Queensland Fire and Emergency Services to seek shelter immediately.

People in Tara, Wieambilla, Kinkuna and Goodwood have received the same warning.

Queensland's Darling Downs and Granite Belt were warned to prepare for a hot day as fire rage into their second week.

Residents in Colosseum, Miriam Vale, Carnarvon Gorge and Mount Tom were advised by Queensland Fire and Emergency Services to watch for fires and be ready to act.

Temperatures in southern Queensland were forecast to reach 36 to 39 degrees Celsius and strong winds were expected.

Firefighters from Victoria have travelled to join their Queensland colleagues tackling the blazes.

With Australian Associated Press.