UK weather maps turn purple as 24-hour snow bomb batters Britain days before summer starts / UK weather maps show exact date 850-mile wall of rain batters Britain / UK weather map shows Britain almost completely covered by huge storm - all 76 cities hit / UK weather maps show heavy rain threatening to ruin holidays in May half-term / UK weather maps shows mini-heatwave hitting England, Scotland, and Wales with 23C heat / UK weather maps show exact date temperatures hit 25C - full list of cities over 20C / UK weather maps show England and Scotland baking as 24C heat surge arrives next week / UK weather maps show exact date England, Scotland and Wales battered by 500 miles of rain / Storm forecast as 640-mile rain bomb blasts into UK - new weather maps / UK weather maps show deluge of rain hitting England, Scotland, Wales and Northern Ireland