UK weather: Britain to be pounded by hail, thunder and snow as Arctic mega freeze ploughs in
Jet stream winds could reach as high as 200mph
Heavy rain warning issued across England and Wales as up to 80mm could fall this weekend
The Met Office said strong winds are also expected
Met Office issues yellow weather alert for fog as Britons warned of travel delays
Britons travelling abroad are being urged to check for flight delays or cancellations

































