The National Weather Service has issued a winter storm watch for much of the state on Tuesday for a storm that forecasters expect will begin as snow before transitioning to a wintry mix of sleet and rain.
Baker told reporters that current projections show the storm moving into the Boston area at about 3 p.m. and for it to "snow very hard for a pretty long period of time."
Many school districts have already announced early dismissals or cancellation of after-school activities on Tuesday.
The storm could make for a treacherous afternoon commute. Baker says the MBTA plans to add trains to help people get home safely.
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