Temperatures are expected to climb to the mid 30s in northern Victoria on Thursday.
The Bureau of Meteorology is forecasting warmer weather and light winds for places including Shepparton, Kyabram and Echuca.
It could reach 37 degrees in Kerang and Deniliquin.
The Bureau sees a potential for damaging winds following the hot spell, on Thursday night and Friday morning, with a cool change on Friday and possible hail and thunderstorms on Friday.