This week will see summer return, as temperatures will soar thanks to warmer air from southern Europe arriving over the UK.
Tuesday will see temperatures of around 30C on Merseyside, but like all British summers there comes a risk of rain and thunder.
— BBC Weather (@bbcweather) July 18, 2016
The Met Office have issued severe weather warnings.
Severe thunderstorms will develop across northern England and the risk is greatest during Wednesday.
Whilst most places will miss the worst, there could be a risk of flash flooding, lightning and strong winds.
— Met Office (@metoffice) July 18, 2016
The warning reads: “Very warm, moist air spreading north and northeast across the western side of the UK is expected to produce thunderstorms later on Tuesday, then transfer eastwards during Wednesday.
“Rainfall will be very variable, and the extent of thunderstorms is uncertain, but some places could see around 30 mm in an hour and more than 50 mm in a few hours.
A Met Office spokesman added the outlook for Wednesday to Friday includes heavy, thundery downpours.
He added: “It should clear to leave a warm day with sunny spells.
“Sunny spells Thursday, sunshine and showers on Friday. Staying warm but with maximum temperatures of 20 degrees.”