London and southeast England are expected to see highs of 29C (84.2F), with clear skies during the afternoon, making it warmer than parts of the Maldives, forecasters say. The heatwave is likely to continue into next week, with temperatures reaching above 32C on Tuesday, which would make it the hottest day of the year so far. Central England is likely to reach 28C (82.4F), with the South West reaching 23C (73.4F). In Wales, the mercury is forecast to reach 26C (78.8F) on Sunday afternoon, northern England could see 27C (80.6F), Scotland could reach 25C (77F ) and Northern Ireland could reach 23C. Met Office meteorologist Dan Stroud: “There is a maximum temperature of around 29C during Sunday in London and the south-east. “We should see almost wall-to-wall sunshine across most of England and Wales and much of Scotland.”

TOP TIPS FOR STAYING LIGHT IN THE HEAT

Hydration: Drink water but avoid alcohol and teas and coffees, which act as diuretics and can cause dehydration. To sleep better: Place your pillowcase or pajamas in the freezer Turn on the fan: It can help your body regulate its internal temperature Throw away the comforter: Thin cotton sheets absorb sweat and are more comfortable Close the windows: drawing the blinds during peak heat will keep rooms cooler. Avoid the sun during the hottest part of the day (between 11am and 3pm) If you’re going outside: Make sure you wear sunscreen

It comes after a heat warning was issued for most of the country, with people being warned not to stay out in the sun for long periods and to make sure they cover up with high factor sun cream. Read more: Find out the latest forecasts for your area Image: West Kirby in England. Image file The UK Health Safety Authority (UKHSA) and the Met Office have put a level 3 alert in place for the East of England, the South East and London with highs of 32C (89F) currently forecast. A level 2 warning has been issued for the South West, East Midlands, West Midlands, North West and Yorkshire and the Humber regions. A level 2 alert is issued when there is a “high probability” of predicted conditions, while a level 3 means there is a “90% chance”. The notices will be in effect from 9am Monday to 9am Friday. The UK’s hottest day so far this year was June 17, when Heathrow reached 32.7C, the Met Office said. Temperatures are expected to drop later this week as a cold front moves in. Watch the Daily Climate Show at 3.30pm Monday to Friday and The Climate Show with Tom Heap on Saturday and Sunday at 3.30pm and 7.30pm. All on Sky News, the Sky News website and app, YouTube and Twitter. The show explores how global warming is changing our landscape and highlights solutions to the crisis.