One house was lost in Friday's Wodonga hills blaze, while the windy temperature change caused the Dunn Road and the East Ournie Creek bushfires in NSW to merge with the Green Valley Upper Murray fire.
Despite early reports by Emergency Service minister Lisa Neville that two structures had been affected, the Country Fire Authority later confirmed only one house on Fredrick Street Road had been destroyed.
The house was unoccupied and disused.
Victorian Emergency Service Minister Lisa Neville praised the work of firefighters in containing the Wodonga blaze in difficult conditions and high wind.
"We saw last night in Wodonga what was for those communities quite a scary, fast moving grass fire that again our emergency service personnel got on top off quite quickly and were able to contain that to the loss," she said.
"But that just shows you particularly in the north east just how dry it is and how quickly fires can start. We know yesterday we also saw dry lightning in the north and north east of the state so today will be spent looking at new starts and trying to get onto those quickly."
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Ms Neville said Friday's late change saw 51 new fires start across Victoria, including the Wodonga blaze.
"There was very little rain in the North East, in some cases wouldn't have hit the ground at all," she said.
"In the area today there are quite strong southerly (winds) generating fire activities, so although it's milder than yesterday, certainly in the North East we'd encourage people heed messages and look out for warnings."
Ms Neville said the Upper Murray fire had joined with fires in southern NSW, now covering about 800,000 hectares.
Soaring temperatures and gale-force winds saw the Dunns Road, East Ournie Creek and Green Valley fires come together into a huge multiple-front blaze.
The Rural Fire Service and other emergency services crews, as well as residents, spent Friday preparing as best they could for what was forecast to be extreme weather conditions.
Watch and act warnings remain in place for communities around the Abbeyard fire including Mount Buffallo while an emergency warning is in place for Davenport Village, Dinner Plain, Flourbag and Hotham Heights.
Ms Neville said smoke was expected to return this week.