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Summary: The surface low pressure system that is generating an unusual winter storm in the deep south and southeast will move out to sea to our south overnight. We will see cloud cover as a result tonight but no precipitation other than the chance of a snow flurry in the southeastern corner of the county. Surface high pressure will then build in for Wednesday and Thursday  to give us a couple of beautiful, sunny winter days with high temperatures moderating from the teens on Wednesday to the 20s on Thursday.

The jet stream is undergoing a pattern shift, from the amplified pattern that has kept a standing wave trough over us for the past two weeks and allowed repeated arctic air incursions, to a more zonal (west to east) orientation. As a result, our temperatures will likely be closer to average for Thursday into early next week.

A weak surface low pressure system will move by just to our north on Saturday and Saturday night. The track of the low should give us a light mixture of precipitation types but not a big storm by any stretch. I will comment more on this as it develops. It looks like we may see a bigger storm mid-week next week. Right now it looks like the track of the surface low should be well to our north and west. If this occurs, we are likely to see mixed precipitation changing to rain.

Tuesday Night

Increasing cloudiness this evening. Mostly cloudy after midnight with the chance of a snow flurry in the southeastern corner of the county. Probability of precipitation there 30%. No accumulation expected. Skies should clear from northwest to southeast toward daybreak.

Remaining very cold, with low temperatures in the low single digits, low to mid single digits in South County and low single digits below zero to near zero over the elevated terrain.

Light south-southwesterly winds.

Wednesday

Mostly sunny and not quite as cold. It may be partly cloudy for a time late in the day over North County. Becoming breezy in the afternoon.

High temperatures in the mid to upper teens in Pittsfield; upper teens in Adams, NorthAdams, Williamstown, Lee and Stockbridge; near 20 in Great Barrington and Sheffield and; low to mid teens over the elevated terrain.

Westerly winds at 5-10 mph in the morning, increasing to 10-15 mph in the afternoon.

Wednesday Night

Mostly clear and cold.

Low temperatures in the low single digits, low to mid single digits in South County and low single digits below zero to near zero over the elevated terrain.

Westerly winds diminishing from 10-15 mph to 5-10 mph during the evening, then becoming light after midnight.

Thursday

Sunny and not as cold.

High temperatures in the mid 20s in Pittsfield; mid to upper 20s in Adams, NorthAdams, Williamstown, Lee and Stockbridge; upper 20s in Great Barrington and Sheffield and; low 20s over the elevated terrain.

Light west-southwesterly winds in the morning, becoming southerly at 5-10 mph n the afternoon.