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While Boston should only get a coating to less than an inch of snow Tuesday, parts of Maine and New Hampshire could see 6 inches or more, according to the National Weather Service.

In Coos County, where 5 to 8 inches is expected, a winter storm warning is in effect from 1 p.m. Monday until 7 p.m. Tuesday. Elsewhere in New Hampshire, Berlin and Whitefield are predicted to get between 4 and 6 inches of accumulation, forecasters said.

In Maine, areas around Rangeley and Eustis could receive 6 to 8 inches of snow, and Jackman could get 8 to 12 inches.

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Snow, sleet, and freezing rain will make for dangerous road conditions, and authorities warned drivers to use caution.

“We’re closely monitoring this storm as a difference of just a few degrees can alter the impact,” said Jennifer Harper, the state homeland security and emergency management director for New Hampshire. “Drivers are urged to slow down, allow extra time for travel, and leave plenty of space between vehicles.”

The weather service also issued a winter weather advisory for portions of central New Hampshire and south central and southwest Maine that will be in effect from 5 p.m. Monday until 7 p.m. Tuesday.

“Light rain and snow will develop today,” the weather service station in Gray, Maine, tweeted Monday morning. “A light wintry mix will fall overnight and into tomorrow, with mostly snow across the northern mountains. Far southern areas should be mostly rain with a little snow at the tail end. It all pushes offshore tomorrow shortly after sunset.”

A light snow was falling in several communities around New Hampshire and Maine by Monday evening, and a rain-snow mix was reported in Portland, Maine, the weather service said at about 5 p.m.

Forecasters said the mixed precipitation will result in total snow accumulations of up to 2 inches and ice accumulations of around one-tenth of an inch in many areas.

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In Southern New England, forecasters say, rain should change to a brief period of snow Tuesday morning across interior Massachusetts and Connecticut and Eastern Massachusetts and Rhode Island during the afternoon. The snow won’t last long. And while only a coating to an inch is expected, there is a low risk for 2 inches of snowfall in higher terrain, forecasters tweeted.

Be sure to bundle up, because it will be cold. Forecasters said to be ready for northwest wind gusts of 25 to 40 miles per hour, low temperatures in the teens to lower 20s, and wind chills between 10 degrees and 5 below zero late Tuesday night and Wednesday morning.

On Wednesday the highs might only reach the upper 20s and lower 30s, forecasters tweeted.


Emily Sweeney can be reached at esweeney@globe.com. Follow her on Twitter @emilysweeney.