Temperatures set to soar in Tasmania

Tasmanians are preparing for a day of scorching, dry and windy weather, with authorities warning of a severe fire risk for parts of the island state.

Hobart is expected to reach 36 degrees on Friday, with Campania and Brighton tipped to hit 39.

"Those temperatures are 10 to 15 degrees warmer than what we'd expect at this time of the year," climatologist Ian Barnes-Keoghan said.

Extra firefighters and equipment are on standby, with the east coast, southeast, midlands and Upper Derwent Valley rated a severe fire risk.

A total fire ban is in place for the eastern half of the state.

The mercury is likely to peak around 2pm, before an afternoon cool change brings relief to Hobart and sweeps up the east coast.

Friday is the sixth anniversary of the Dunalley bushfires that destroyed hundreds of homes in the state's southeast.

Popular national park tracks at Mt Field, Freycinet and Maria Island have been closed due to the extreme heat.

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