At 5.30pm storms begun moving across the region with NSW Rural Fire Service (RFS) Cudgegong crews saying strike were igniting new fires.

"It has been a busy few hours this afternoon [Tuesday] due to lightning across the area," RFS firefighters said.

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"With thanks to the quick response of crews and aircraft these fires were jumped on as quickly as possible to prevent their escalation."

Currently there are a number of new fires in the region due to lightning, they include:

Cudgegong RFS said all three fires were burning in inaccessible terrain and would not be a threat to property overnight.

"Crews will return in the morning [on Wednesday] hoping that rain is falling where we need it to make our job easier," firefighters said.

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Meanwhile, the Bureau of Meteorology's weather station at Mudgee Airport recorded 9.6 millimetres of rain overnight until 7am on Wednesday.

The mercury is predicted to reach 38 degrees with a 70 per cent chance of up to 5mm of rain and the chance of a thunderstorm.

Stay up-to-date with fires in your region at Fires Near Me and If you seen an unattended fire call triple-0.

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