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Overtime 1:21

Midweek storm to bring up to 7 inches of snow in Western Mass.

We’re back to roller coaster weather.

A winter storm Wednesday and Thursday is expected to dump an inch or two of snow in most of Massachusetts, with up to 7 inches in the northwestern corner of the state. But the storm’s bookends — today and Friday — are expected to be dry and sunny.

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The two-day storm is predicted to pound areas outside of Interstate 495 with snow, sleet, and freezing rain. Areas closer to the coast should get mostly rain and about an inch of snow accumulation, forecasters said.

“It’s a possibility [Boston] would see some snow Thursday, but it’ll be more of a nuisance — at worst, 1 to 2 inches,” said National Weather Service meteorologist Charlie Foley.

A winter storm watch has been issued by the weather service for areas in far Western Massachusetts between Wednesday morning and Thursday morning. Residents in those areas are warned that up to 7 inches of snow, sleet, and freezing rain could fall, making roads icy and traveling hazardous.

The storm will leave the region by Thursday afternoon, leaving behind some drizzly rain and cloudy skies.

Today will be mostly sunny and breezy, with wind gusts as fast as 28 miles per hour. High temperatures will reach the mid-50s this afternoon as clouds start arriving. Temperatures will drop to 36 degrees overnight.

On Wednesday Boston will be cloudy and rainy after 2 p.m. Highs should climb to 46 degrees, with continued rain throughout the evening. Low temperatures should drop into the mid-20s.

About an inch of snow is expected to fall in the city between 5 a.m. and 7 a.m. Thursday, accompanied by blustery wind gusts as fast as 32 miles per hour. High temperatures will only reach 27 degrees. Partly cloudy skies will roll in during the evening, with continued winds and low temperatures plunging to 12 degrees.

Dry and sunny conditions will reappear Friday, though high temperatures will crest at 36 degrees. Mostly cloudy skies will return overnight with lows in the upper 20s.

Clear skies will persist this weekend with temperatures warming back into the 40s.

“It looks like the mid-40s and sunny in time for the [St. Patrick’s Day] parade here,” Foley said.

Catalina Gaitan can be reached at catalina.gaitan@globe.com. Follow her on Twitter at @catalina_gaitan.
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