Updated snowfall forecast: Latest timeline, expected totals map for snow in Massachusetts

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DEDHAM, Mass. — Brace yourself! It’s back to winter in Massachusetts with snow in Friday’s forecast and a deep freeze this weekend.

Friday will be mostly cloudy and cool, but temperatures will drop through the afternoon and evening, increasing the chance for snowfall.

Bitter cold weather will follow the snow with arctic air gripping the region on Saturday, Sunday, and Monday.

Latest snowfall timeline

A few ocean-effect sprinkles and flurries are possible during the day, although impacts will be low with no more than a patchy coating, Boston 25 Meteorologist Shiri Spear said in her latest forecast.

Steadier rain and snow will fill in around 4 p.m. and impact the evening commute.

“As things cool down, the chance for snow is going to grow and grow during the late afternoon and evening hours,” Spear said. “Some of the worse travel conditions are probably going to be during the evening.”

The snowfall should wrap up by midnight.

An isolated snow shower or flurries are still possible on Saturday, but most areas will be dry with more clouds than sunshine.

Expected snow totals

A widespread coating to an inch of snow is likely for much of Massachusetts.

The “jackpot” areas, including northeastern Massachusetts, the Merrimack Valley, MetroWest, and interior southeastern Massachusetts could see 1-2 inches.

“Some spots could locally go up to 3 inches,” Spear said.

Cape Cod and the Islands might be too mild for sticking, but flakes will be flying.

Arctic air arrives

Frigid temperatures with highs in the upper 20s and low 30s are on tap for Saturday.

Sunday will bring freezing sunshine with temperatures in the teens and 20s.

For the latest on the forecast, visit the Boston 25 Weather page.

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