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Bitter cold, followed by weekend storm ahead for Mass.

Snow covered Boston Harbor’s Graves Island Light Station on Thursday morning.David L. Ryan/Globe Staff

Mother Nature just keeps ‘em coming!

Another storm is expected to strike this weekend, bringing a mix of rain and snow for more than 24 hours, the National Weather Service said.

The storm is expected to start as snow Saturday afternoon, then become a wintry mix of rain and snow Saturday night, said Alan Dunham, a weather service meteorologist. Forecasters said there is a potential for several inches of snow on the ground, but accumulations are difficult to predict due to the mixing of the precipitation.

As temperatures warm into the 40s Sunday, the snow will lessen to rain and a drizzle through the day. The rain could add even more weight to already overburdened roofs as it is soaked up by the snow, Dunham warned.


There is a chance for a brief period of snow Sunday evening into early Monday morning as temperatures drop below freezing, forecasters said.

Southern parts of the state will get more rain, while the greater Boston area and Western Massachusetts are more likely to have a wintry mix, Dunham said, but there is no clear rain-snow line in this messy storm.

The region could see more snow Wednesday, even a possible “high impact snow event,” forecasters said in a discussion posted on the Internet, though there is very low confidence in that prediction for now. The forecasters noted the storm could steer away from the region.

Before the snow falls this weekend, Bay Staters will have to face bitterly cold temperatures and dangerous winds Friday.

The weather service has issued a wind chill advisory for 3 a.m. to 10 a.m. Friday, as wind gusts up to 38 miles per hour could make subzero temperatures feel as low as minus 18 in the city and minus 28 in parts of Western Massachusetts. Frostbite can set in within 30 minutes in such cold temperatures, forecasters warned.


The cold is expected to continue all day Friday, with highs in the single digits and low teens, with wind chill values ranging in the teens below zero across the state, forecasters said.

Temperatures are expected to fall into the single digits Friday night and dip below zero in the interior, with wind chills dropping again to the teens below zero.

After the weekend storm passes through with its brief warmup, a cold front could move back into the region, causing all the water and slush to freeze, Dunham said. Commuters may be in for a slippery Monday morning commute, he said.

Temperatures Monday and Tuesday will crest in the 20s and drop to the single digits at night.

Aneri Pattani can be reached at aneri.pattani@globe.com. Follow her on Twitter @apattani95.