Our next storm is set to move in on Wednesday, and it will be messy.

Timing: Precipitation will break out overnight Tuesday and into the pre-dawn hours of Wednesday as snow. By early to mid morning on Wednesday the snow will change to a wintry mix of rain, snow, freezing rain, and sleet. Soon after that the wintry mix will turn to a chilly rain which will fall heavily at times.

Region by Region

Green Zone (Cape Cod, South Coast, Islands, South Shore): Snow will break out during the pre-dawn hours of Wednesday. The snow will only accumulate up to 2" before things briefly switch over to a mix of snow, freezing rain, and sleet sometime between 4-7 AM. Rain will be begin falling shortly thereafter and will last through much of the afternoon (heavy at times). Rainfall totals will range from 0.50-1.50", so there could be some urban street flooding where storm drains become clogged with snow.

Light Blue Zone (Metro West, Metro Boston): Snow will break out during the pre-dawn hours of Wednesday. The snow will only accumulate 1-3" before things briefly switch over to a mix of snow, freezing rain, and sleet sometime between 5-9 AM. Rain will be begin falling shortly thereafter and will last through much of the afternoon (heavy at times). Rainfall totals will range from 0.50-1.50", so there could be some urban street flooding where storm drains become clogged with snow.

Pink Zone (Central Massachusetts, North Shore): Snow will begin falling during the pre-dawn hours of Wednesday, and will accumulate 2-4" before things switch over to a wintry mix of sleet and freezing rain between 7-10 AM. While an ice storm like what we saw in December is not expected, 0.10-0.25" of ice will accumulate, causing some already weakened tree limbs and power lines to come down. By noon time the wintry mix will change over to plain rain for the rest of the afternoon.

Blue Zone (Northwestern Massachusetts): Snow will begin during the pre-dawn hours of Wednesday and will continue through much of the morning. Some mixing will take place by midday, but snowfall totals will still reach 4-8".

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