Rain brings relief to NSW fire grounds but risk remains

NSW crews have controlled some pockets of a huge bushfire that's created its own weather system. (HANDOUT/NSW RURAL FIRE SERVICE)

Rain has brought relief for those battling a major bushfire in northwest NSW which has already burned through more than 112,000 hectares.

The fast-spreading Duck Creek Pilliga Forest blaze was burning about 17km south of the town of Narrabri and 21km west of Boggabri on Tuesday evening.