The Bureau of Meteorology has updated its severe weather warning for Monday afternoon and Tuesday over southern parts of central Victoria.
A "vigorous" cold front was developing in the Great Australian Bight, the bureau said.
"Damaging northerly winds, averaging 50 to 60 km/h with peak gusts of around 90 km/h, are possible over the warning area from early Monday afternoon," it said.
"Peak gusts of 100 to 110 km/h are possible about the eastern ranges overnight.
"Winds are expected to ease in the west during Monday evening, about central areas early on Tuesday morning and then over the northeastern ranges by 10am Tuesday.
Locations which may be affected include Kyneton and Daylesford, as well as Warrnambool, Portland, Ballarat, Wonthaggi and Bacchus Marsh.
High rainfall and cold temperatures are predicted to sweep across the state this week with snow set to fall across elevated areas.
The Bureau of Meteorology says a strong cold front will move across eastern Australia on Monday and Tuesday, bringing with it strong and gusty north-westerly winds.
A warning for damaging winds has been issued from Monday afternoon.
"Damaging winds will become more likely during the evening ahead of the front, and will extend to parts of Central Victoria," the bureau said.
BoM meteorologist Sarah Scully said there was a chance for severe winds which could "whip up" some dust storms particularly through parts of South Australia and north-western Victoria.
"On and behind that cold front we're forecasting widespread showers, small hail, isolated thunderstorms and that cold front will move eastwards through Victoria and New South Wales during Tuesday." Ms Scully said.
"Snow is expected to drop to low levels on Tuesday through parts of Tasmania, Victoria and alpine areas of New South Wales."
A complex low pressure area will follow the cold front and start to develop over southern NSW on Tuesday.
Bendigo's expecting top temperatures of 12 degrees on Tuesday and Wednesday. Up to 15 millimetres of rain is forecast on Tuesday.
"That complex area of low pressure is then expected to move off the east coast of New South Wales where it's forecast to intensify during Wednesday into Thursday," Ms Scully said.
"We're forecasting a band of rain to develop right along that eastern seaboard, really stretching from Tasmania all the way up to south-eastern Queensland throughout the week."
The BoM said it was difficult to forecast where the heaviest rain would be because it was dependent on the "exacting positioning" of the predicted low pressure system.
"At the moment our models are giving different scenarios but at this stage it looks like the heaviest rainfall will be about eastern Victoria, Gippsland, and as well the south-east corner of New South Wales with the potential with that heavy rainfall for flooding," Ms Scully said.
"What's important is the soils are near saturated so that any rainfall that does occur ... is likely to have increased surface runoff and leaves them more prone to flooding."
Snow likely on its way
Ms Scully said the cold front was "great news" for ski resorts because it would bring a combination of near or sub-zero temperatures and high precipitation between Wednesday and Friday.
"Which means that by the end of the week of between 50 centimetres up to 70cm of snow just in time for the opening of the snow season," Ms Scully said.
Ms Scully said the cold front would cross Victoria on Tuesday with snow likely to fall down to 900 metres.
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