Although the UK as a whole will face a mixed picture on Friday and into the weekend, eastern areas are expected to see high temperatures last into Saturday.In its latest set of forecasts, the Met Office is also warning hayfever sufferers that pollen levels will be high on Friday in almost all areas of the UK.Yellow heat health alerts were issued on Wednesday by the UK Health Security Agency (UKHSA) covering the East Midlands, East England, London and the South East from Thursday to Saturday.

Although the UK as a whole will face a mixed picture on Friday and into the weekend, eastern areas are expected to see high temperatures last into Saturday.In its latest set of forecasts, the Met Office is also warning hayfever sufferers that pollen levels will be high on Friday in almost all areas of the UK.Yellow heat health alerts were issued on Wednesday by the UK Health Security Agency (UKHSA) covering the East Midlands, East England, London and the South East from Thursday to Saturday.