Arctic Winds, Hail, and Snow Set to Hit the UK

Vehicles drive along the road at the base of Pont ar Daf in the Brecon Beacons as snow begins to fall on Jan. 12, 2017 at Pen Y Fan, Wales. The Met Office has issued a yellow be aware warning for much of the country, as snow and high winds are expected to cause disruption until late on Friday. Matt Cardy/Getty Images

Severe weather is set to sweep across the UK tonight, bringing strong winds, hail, and snow over the next four days, forecasters say.

The Met Office has extended a weather warning for snow and ice in Scotland and Northern Ireland that kicks off at 6 p.m. today, until Wednesday, Jan. 17.