An official heatwave is recorded by the Met Office when areas reach a certain temperature for three days in a row, with thresholds varying from 25C (77F) to 28C (82F) in different areas.

Parts of the UK could see temperatures well above 30C, according to the Met Office

Families are set to flock to beaches and parks to enjoy the sunshine with heatwave conditions expected to begin in southern areas of England on Sunday or Monday.

Yellow alert issued across England to warn vulnerable of risk of death

Temperatures expected to reach mid-30s by Tuesday as yellow heat health alert issued