Nottinghamshire Police are concerned for the state-of-mind of 31-year-old Vanessa Firth.
The mother-of-one, from Netherton Road, Manton, has not been seen since 6:45pm on Wednesday.
Officers and relatives have searched the local area, including Hannah Park and Library Gardens where she enjoys visiting, but she is nowhere to be found.
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It will be largely cloudy through the evening and overnight in the west, with further spells of light rain or drizzle.