Update 10am Wednesday: Temperatures dropped to -3.8 degrees in Horsham this morning, according to the Bureau of Meteorology.
The low came at 6.21 am, when the bureau said it would have felt as cold as seven degrees below freezing.
Horsham also recorded 0.6 millimetres of rain. Kanagulk received 0.4 millimetres, and got down to -3.1 degrees.
Stawell dropped to 1.9 degrees at 5am, while Ararat reached -0.5 degrees and recorded 7 millimetres of rain in the 24 hours to 9am Wednesday.
A minimum of -2 degrees is forecast for Horsham on Thursday morning, -1 for Stawell and zero for Ararat.
Update 11.30am Tuesday: Bureau of Meteorology senior forecaster Tom Fejes says Victoria's eastern and central ranges, and even Ballarat, could still see snow today.
"It is a pretty cold run of temperatures coming fro very far south," he said. "In July 2015 we had a similar run of cold days.
Mr Fejes said late Thursday and Friday rain would develop in New South Wales and then reach northern Victoria.
There is the chance Horsham will receive up to four millimetres of rain on Friday, Stawell up to six between Friday and Sunday, and Ararat rain on Tuesday, Friday and Saturday.
9am: A cold snap has swept across the state overnight leaving a dusting of snow on Mt William in the Grampians on Tuesday morning.
The temperature dipped to a chilly 2.9 at 6am in Ararat with an apparent temperature of -0.5.
It was a chilly -3.5 on top of Mt William with snow predicted to fall as low as 300 or 400 metres in some parts of the state on Tuesday.
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