Rain began falling in parts of the Northeast on Sunday evening, forecasters said, as a sudden warming trend continued into the dead of winter. Some parts of Massachusetts and New Hampshire are already above freezing, according to CNN, and most of the state is expected to be wet on Monday, as temperatures are expected to reach a chilly but sunny 50 degrees.

Get ready for heavy snow to hit the northeast Monday morning. Never seen anything like this before. Brace yourself. pic.twitter.com/ii82VilHn5 — Daniel Harding () March 20, 2016

Snow and high winds are expected to roll in by early Monday, and according to meteorologists, eastern Maine is expected to see its highest snowfall total (15 inches) since records were kept in the state in 1878. By evening on Monday, however, meteorologists predicted that the snow could “ease somewhat.” In Western New York, rain fell throughout the day on Sunday, however, snowfall is expected to begin as early as 5 a.m. Monday.

In part, the predicted snow is a result of air masses colliding over the mountains of New England. The National Weather Service warned residents to “monitor conditions carefully,” noting that “high-powered winds may significantly reduce visibility and can snap tree limbs and power lines.” Those who ride the mass transit system, such as the MBTA and the commuter rail lines, should also take note. But by the time the snow arrives, many people are expected to just head back to work as the snow ends.

Read the full story at NPR.

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