Portsmouth Weather: Latest updates as heatwave grips city and Hampshire as temperatures over 40C recorded in UK for the first time, according to Met Office

The Met Office has issued an amber weather warning for today and tomorrow, with the heatwave affecting people across the country.

This could cause adverse health effects for those vulnerable to rising temperatures, according to the forecaster.

A Met Office statement said: ‘Population-wide adverse health effects are likely to be experienced, not limited to those most vulnerable to extreme heat, leading to potential serious illness or danger to life.

‘Government advice is that 999 services should be used in emergencies only; seek advice from 111 if you need non-emergency health advice.’

Red weather warnings are in place in certain parts of the UK.

The heatwave has already caused disruption for many.

Some schools across Portsmouth and Hampshire closed yesterday as a result of the weather, with others changing uniform policy.

The Met Office said disruptions on the roads and other transport links are also likely.

They have also reported that last night was the warmest on record in the UK.

According to provisional figures, the highest ever temperature in country has been recorded, soaring above 40C for the first time.

It is 40.2C, at London Heathrow airport.

In Portsmouth, temperatures are expected to peak at 29C by 3pm.

We will bring you all the latest updates relating to the heatwave.

Live blog updates will be below this article.