Delhi sweltered under a brutal heatwave, with the 'feel-like' temperature soaring to a season-high 51.3 degrees Celsius on Saturday. Despite the mercury hitting 41.3 degrees Celsius, high humidity made it feel much hotter. Nights offered little respite, remaining uncomfortably warm. Light rain and gusty winds are anticipated next week, but the monsoon's arrival is delayed, leaving the capital in a prolonged hot spell.