By Joseph Wilkes Brits are set to bask in a ’72 hour’ heatwave, but not everyone will be feeling the heat as two parts of England are expected to miss out on the sizzling temperatures. Weather maps reveal that while many will enjoy a mini April heatwave, some will still face April showers. According to WX Charts, which uses Met Desk data for its predictions, temperatures could soar to a balmy 21C at times this month. The charts indicate that Londoners can expect to enjoy highs of 20C from today until Saturday (April 11-13), with East Anglia and the East Midlands not far behind at 19C. Cities l…