Scott Ehrlich, WY1Z, writes on the Waltham ARA mailing list:
With the coming spring/summer severe thunderstorm potential and SKYWARN, I have set up a live stream of the 146.640 repeater from my home via Broadcastify: https://www.broadcastify.com/listen/feed/30256
It will be taken down as the season ends, likely around September.
Enjoy!