Today: Western and northern Scotland and Northern Ireland will see outbreaks of rain, possibly falling onto frozen surfaces in northwest Scotland. Elsewhere, very cold, and brightest across southwest England, Wales and northern England. A few snow flurries possible across southeast England.

Tonight: An increasing chance of seeing freezing rain across parts of southern and eastern Scotland, bringing a significant ice risk. England and Wales remaining generally dry with a severe frost.

Thursday: Rain and snow edging into northern England, generating an ice risk here. Very cold across England and Wales, with the best of any brightness further west. Milder in the north.

Outlook for Friday to Sunday: A risk of seeing some significant snow, especially across central England, on Friday. Remaining cold in the southeast throughout, with overnight frosts, but somewhat milder further north and west.