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Boston weather: Cold, windy with low wind chills through tonight

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Metro Boston, north shore and western suburbs: Gusty west winds continue to feed us the cold arctic air today and tonight. The 50s of yesterday will be replaced by highs only in the teens today and with very gusty winds we have to deal with wind chills around zero through the day. It only gets worse tonight as temperatures fall into the single digits and coupled with the gusty winds expect wind chills of some 10 to 15 below zero overnight. Of course this pales in comparison to what the folks through the Midwest and Plains are going through and for that we should feel lucky that kind of cold will not be arriving here.

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High pressure begins to expand across the southern states today and into the mid Atlantic during Wednesday to encompass most of the eastern third of the country on Thursday. The high then moves offshore during Friday making way for an approaching weak disturbance to approach for the beginning of the weekend.

Today will be the coldest day of this latest arctic outbreak. Plenty of sunshine around does nothing to make us feel comfortable from the biting winds as temperatures remain fairly steady through the day.

Wednesday will be another cold day with plenty of sunshine, however temperatures recover into the low 20s for most of us. There will still be a sting in the air when those winds whip up at times but they are not expected to be as gusty as today. An upper level disturbance brings some clouds our way at night but no precipitation is expected.

The slight moderation in temperature continues on Thursday as the arctic air begins to lose its grip. Temperatures climb to around 30 with a fair amount of sunshine. Some clouds begin to show up during the day and overnight the skies become mostly cloudy. The cloudiness carries over into Friday and a few snow showers may cross the area later in the day and overnight as the disturbance approaches from the Ohio Valley.

The weak disturbance moves to our north and drags a warm front through later Saturday. Then, the attendant cold front slides through here early Sunday. With that said we will have a chance for additional snow showers early Saturday, transitioning to a few rain showers later in the day and overnight as milder air takes over.

72 Hour Forecast:

Tuesday: Mostly sunny, windy and cold. Steady temperatures in the low to mid teens. West winds gusting to near 40 mph, especially along the coastal plain.

Tonight: Very cold and windy with mainly clear skies. Lows near zero to 5 above interior, 5 to 10 on the coast. West winds gusting 25 to 30 mph.

Wednesday: Sunshine with a few afternoon clouds. Not as cold or windy. Highs in the low 20s, near 25 in Boston. West winds 10 to 20 mph.

Wednesday night: Partly cloudy and not as cold. Lows mid to upper teens. West winds 10 to 20 mph, diminishing.

Thursday and Thursday night: Bright sunshine giving way to increasing clouds. Becoming mostly cloudy overnight. Moderating temperatures with highs in the upper 20s to low 30s and nighttime lows upper teens inland to low 20s on the coast.

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