The Environment Agency has issued more than 100 flood alerts today, covering large parts of central and south England.
Twenty-three more serious flood warnings have been placed in areas of the south-west and the Midlands.
However, the agency said on its website that the forecast risk of flooding across England and Wales is "very low".
There is no heavy rain forecast for today, but the rain from yesterday may have saturated ground and the snow melt could add to this.
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Mr Osborne said he is "not the person to provide the unity my party needs".