EXPERTS are warning Hampshire residents to beware roasting temperatures this week.

The Government has issued a level two heat warning as highs of 36°C, or 100°F, are expected between Tuesday and Thursday.

And elderly and vulnerable people are being urged to stay indoors, particularly those with heart problems or breathing difficulties.

A spokesman for St John Ambulance said: “Extreme heat can be dangerous for the very young and old, but by being prepared you can spot the early warning signs, which could be the difference between life and death.

“It’s essential that sufferers with a headache and dizziness get somewhere cool and rehydrate.”

Meanwhile the National Federation of Occupational Pensioners is asking residents to help out their elderly neighbours with shopping and other outdoor tasks to minimise their exposure to the heat.

The Met Office is also warning allergy sufferers to watch out for rising pollen counts that come with increased temperatures, while air pollution levels could also soar due to hot air coming over from Spain, North Africa and other parts of Europe.

And there is unlikely to be any respite for the rest of the week with long-term forecasts not predicting rain until after next weekend.

Level two warnings are issued when temperatures hit 30°C during the day and 15°C at night. It is two steps below national emergency heat levels.