Mike Wankum

Forecasters have increased the amount of snow expected to fall across Massachusetts as a fast-moving system moves through Sunday evening into Monday morning.

EAST BOSTON, Mass. — Forecasters have increased the amount of snow expected to fall across Massachusetts as a fast-moving system moves through Sunday evening into Monday morning.

EAST BOSTON, Mass. — You can expect rain nearly all day Saturday from 2 p.m. to 10 p.m., before the snow settles in late afternoon on Sunday.

EAST BOSTON, Mass. — A burst of snow is expected at 10 p.m. Sunday night, shortly before temperatures drop into 20's Monday morning.

The heaviest snow is expected into Monday morning at 1 a.m. The storm is beginning to track slightly west as the rain slowly starts to change into snow.

It will be mostly clear and cold Monday night with temps falling anywhere from 2 to 12 degrees.

There will be sunshine in the morning and clouds in the afternoon as temperatures remain in the high teens and low 20's.

EAST BOSTON, Mass. — Temps will drop even lower Tuesday night, as Wednesday's high will only reach 20 degrees with sunshine.

It will be sunny and cold Wednesday with temperatures continuing to be in the teens and 20's.

EAST BOSTON, Mass. — Wednesday will be another day of frigid temperatures, with a low of 2 degrees, as cold air from the polar vortex has moved south by the jet stream.