Thursday's predicted scorching termperatures could come close to breaking a Wagga record, with firefighters reminding residents there will be a total fire ban.
The city is heading for a top of 41 degrees, according to the Bureau of Meteorology, about 15 degrees above the long-term average maximum for Wagga of 25.9.
Wagga's record November maximum of 42.8 degrees was set on November 26, 1997.
Nigel Smedley from the bureau's Wagga office said winds of up to 35 kilometres an hour were expected, with the likelihood of raised dust from the afternoon onwards.
Around the region, conditions are going to be equally hot with Hay expecting a top of 43 degrees and Deniliquin and Griffith predicted to reach 42.
Rural Fire Service district officer Bradley Stewart is encouraging Riverina residents to "stay informed" as conditions heat up.
Mr Stewart said people can check with the RFS's app Fires Near Me or its website to stayed updated.
A total fire ban will be in place in the Riverina on Thursday.
"We have had a number of instances lately of people using fires in the open and claiming not to be aware of a total fire ban being in place," Mr Stewart said.
"Ignorance is no excuse. I strongly encourage people to stay aware of current warnings and conditions."
Mr Stewart said firefighters were continuing to battle a number of blazes in NSW, and six people had lost their lives in recent weeks.
"A total of 412 homes have been destroyed and more than 1.6 million hectares of land burnt so far this fire season which began on August 1," he said.
"In the previous most severe bushfire season, which was 2013-14, 248 homes were lost, 118,000 hectares burnt and two fatalities occurred over the entirety of the period.
"We are facing a protracted bushfire season in NSW."
NSW Health is also encouraging people to take precautions as heat, smoke and dust could impact residents' health.
Builder Kyle Flanagan from KNF Building and Construction has a few ways of helping his crew to beat the heat. He said it was important to stay out of the sun as much as possible and to drink a lot of water.