The content originally appeared on: CNN (CNN)Life-threatening heat waves arrived in India a month earlier than normal, shattering temperature records with highs reaching over 100 degrees Fahrenheit (38 degrees Celsius) - and it will only get hotter. The worst of the heat wave is expected late this week into this weekend with high temperatures approaching 10-15 degrees Fahrenheit (5-8 degrees Celsius) above normal across northern and northwestern India as well as parts of Pakistan. Over one billion people will be […]