Cardiovascular scientists at City St George's, University of London, have identified crucial clues from a heart rhythm test ...

Details here on storm chances and when ALERT DAY heat index values could top 100 again.

Details here on storm chances and when ALERT DAY heat index values could top 100 again.

The hottest air of the summer is here through the middle of the week before a big cooldown comes in time for the weekend.

Stubborn heat & humidity stick around into next week with some of the hottest air of the summer so far just days away.