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Summary: The outlook for Wednesday’s snowstorm has not changed significantly since yesterday. Snow will likely develop well after midnight Tuesday night and become heavy at times. By the morning commute, several inches of snow should have already accumulated and it will likely be snowing at moderate to heavy rates, as much as 1″ per hour or even more in a few locations. Snow will continue, moderate to heavy at times through the morning and then taper off during the afternoon. The estimated total of 8-12″ still looks like a pretty good bet. I will update this tomorrow afternoon.

Monday Night

Partly cloudy early, then becoming mostly clear and seasonably cold.

Low temperatures in the low teens, near 10 over the elevated terrain.

Light northwesterly winds.

Tuesday

Mostly sunny in the morning. The sun will be dimmed by increasing high and mid-level clouds as the afternoon progresses.

High temperatures in the upper 20s to near 30 in Pittsfield; near 30 in Lee, Stockbridge, Adams, North Adams and Williamstown; low 30s in Great Barrington and Sheffield and; mid to upper 20s over the elevated terrain.

Light west-northwesterly winds.

Tuesday Night

Mostly cloudy with snow developing well after midnight and continuing heavy at times til morning. The snow will most likely begin between 3 and 5 am. Probability of precipitation 90%. Likely snowfall accumulations 2-4″ by 7 or 8 am.

Low temperatures in the upper teens to the low 20s.

Calm winds becoming easterly at 5-10 mph toward morning.

Wednesday

Snow. Snow will be moderate to heavy at times through most of the morning, decreasing in intensity during the afternoon before ending late afternoon to early evening. Probability of precipitation near 100%. Likely total snowfall 8-12″.

Temperatures will hold fairly steady with highs in the low 20s in Pittsfield, Adams, North Adams, Williamstown, Lee and Stockbridge; low to mid 20s in Great Barrington and Sheffield and; upper teens to near 20 over the elevated terrain.

East-northeasterly winds at 8-12 mph shifting to northerly in the afternoon.