The Met Office has issued each amber and yellow rain warnings for giant components of Scotland and northern England from Saturday to Sunday morning.
Fantastic and dry climate in southern and central England, in the meantime, might see temperatures rise as excessive as 25C by Sunday afternoon. The Met Workplace is tipping London to see a excessive of 24C on Saturday.
Oli Claydon, spokesman for the Met Workplace, mentioned: “For the south of the UK, we’ve bought barely ridged situations and better stress bringing a extra settled day with a good quantity of sunshine round.
“(It will likely be) dry for just about everybody within the southern half of the nation and unseasonably heat temperatures as properly.
“As we get into the very far north of England and into Scotland that’s the place the distinction begins, with some persistent and heavy rain throughout Scotland and largely notably in western Scotland, the place we’re more likely to see the very best totals.”
A yellow rain warning overlaying a lot of Scotland, energetic from midnight on Saturday to 06:00 on Sunday, might deliver rainfall of 50-75mm in low-lying areas and near 100mm on increased floor.
Inside that may be a separate amber warning overlaying Central Scotland, Tayside and Fife from 03:00 on Saturday to 06:00 the next day.
The Met Workplace mentioned this space might see as a lot as 150-180mm of rainfall accumulating within the wettest spots.
Ruth Ellis, flood responsibility supervisor for the Scottish Atmosphere Safety Company, mentioned the forecast in Scotland was “a serious rainfall occasion” and intensive river and floor water flooding impacts, together with property flooding and widespread transport disruption, had been possible.
Scotland’s Transport Minister, Fiona Hyslop, mentioned: “It’s vital folks plan their journeys earlier than they set off. Motorists ought to be sure their routes can be found, observe the journey recommendation from Police Scotland and drive in accordance with the situations.
“If you’re planning to journey by prepare, ferry or aircraft, please examine along with your operators to see if the situations are having any affect in your providers.”
Temperatures in south-east England might attain 24C on Saturday, with the Midlands and Wales additionally remaining sunny.
The positive and settled situations right here will proceed into Sunday, albeit with barely extra cloud and hazy sunshine, with excessive temperatures extra widespread throughout central and southern areas of England, Mr Claydon mentioned.
Rainfall in Scotland will transfer northwards by the day, with dry and extra cloudy situations anticipated in beforehand affected areas.
Mr Claydon mentioned temperatures in Scotland is not going to climb any increased than 13C on Saturday and 16C on Sunday, due to extra cloud and an absence of hotter air.