Police are appealing for public assistance to help locate Christine Fiddler, Victoria Police say.
The 54-year-old was last seen in Coombs Road in Kinglake West about 4pm yesterday.
Police and family have concerns for her welfare due to the cold weather overnight.
Christine was last seen wearing a denim skirt with a blue zip up jacket.
Police have released an image of Christine in the hope someone recognises her.
Anyone who sights Christine or who knows of her whereabouts is urged to contact Mill Park Police Station on 9407 3333.
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