A NEXT Weather Alert is in effect throughout Saturday night. CBS News Philadelphia will keep you prepared and ready with the latest forecast details. A severe thunderstorm watch is in effect for the entire region and here are the main threats: Heavy rain, lightning Damaging winds, hail possible Isolated tornado Click the link in our bio to stay weather aware and stay with CBS News Philadelphia and your NEXT Weather team ⛈️ #weather #nextweather #nextweatheralert #severethunderstormwatch #philly