Rory Nolan watched storm clouds move in over the Charles shortly before 6 p.m.
Greg Hum scanned the skies above Union Square in Somerville around 7:30 p.m.
Ryan Murphy watched the storm move in over Cambridge this afternoon.
Rob Littlefield looked up late this afternoon.
Alyssa Banker Hiller looked up in the Public Garden.
Rob Littlefield looked out his window at lunchtime today.
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