You beat me to it I was just about to post the same good news, for anyone who wants the mid station web cam it is at,
http://www.plovdiv.meteo.bg/pamporovo.php
enjoy when you can you lucky lucky people.
We were there in Feb and I was checking the webcam every day for weeks before. It was the first thing I did every morning and, sadly, I'm still doing it - even though we're not back there till NEXT Feb!