The town's permanent IGA was destroyed by fire in June, which left Walgett without a supermarket for the second time in six years.

Western NSW Minister Adam Marshall said the supermarket will resume its normal 8:30am-6pm trading hours after a successful trial run on the weekend.

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He said the temporary IGA has 1,500 grocery lines in stock, with further selections to be added in coming weeks.

The first delivery of fresh fruit and vegetables arrived on Tuesday and EFTPOS services are already available in store.

"Challenging events bring out the very best in people and I'd like to personally thank everyone who has gone above and beyond to ensure the town had ready access to a steady supply of groceries during the past two months," Mr Marshall said.

"I'd like to acknowledge St Vincent's de Paul for generously relocating to make room for the temporary supermarket, the RSL for being a drop off point for click and collect groceries, the Walgett Aboriginal Medical Service and Dharriwaa Elders group for distributing bottled water and Foodbank for providing food hampers to locals.

"Most of all, I'd like to thank the Walgett community for its patience and understanding as Walgett Shire Council, NSW Government agencies and the supermarket owners worked to set up the temporary store."

The NSW Government provided $50,000 to Walgett Shire Council to help fund the establishment of the temporary supermarket and cover the cost of refrigeration units.

An assessment of the site is currently underway, which will determine how rebuilding the permanent supermarket will be progressed.