The National Weather Service issued a severe thunderstorm warning early Wednesday evening affecting most of Massachusetts including Massachusetts.
"This hazardous weather outlook is for northern Connecticutt and all of Massachusetts...," said a statement. "Isolated to scatted thunderstorms may develop late this afternoon and evening. If any thunderstorms are able to develop, there is a chance a few may become severe. The main threat with any severe thunderstorms would be larbe hail and/or damaging straight-line wind gusts."
As of this post, heavy rain was falling in Marlborough and distant thunder could be heard.
Check back with Marlborough Patch for updates if conditions worsen.