Heavy rain that could lead to flash flooding is expected to hit Shepparton and the northern country region tomorrow, between 3am and 6am.
The Bureau of Meteorology has forecast possible six hour totals of around 10mm to 40mm with isolated higher falls of 40mm to 60mm. There is also the risk of isolated thunderstorms over the northwest of the Victoria during this time.
Locations which may be affected include Mildura, Horsham, Warrnambool, Bendigo, Shepparton, Seymour, Maryborough, Ballarat, Geelong and Melbourne.
The cause of the weather event is a deepening low pressure trough over South Australia that will approach western Victoria tonight bringing very humid conditions southeastwards. As the trough moves rapidly eastwards across Victoria tomorrow, a low pressure centre will develop along the trough.
The State Emergency Service advises that people should:
* Don't walk, ride or drive through flood water;
* Keep clear of creeks and storm drains;
* Be aware that in fire affected areas, rainfall run-off into waterways may contain debris such as ash, soil, trees and rocks;
* Be alert that in areas recently affected by fires, heavy rainfall increases the potential for landslides and debris across roads;