Photo: Icy, snowy mess over the next 48 hours.

A large part of eastern Massachusetts including Belmont has been placed under a Winter Weather Advisory starting at 10:26 p.m. Sunday, Dec. 28 and lasting until 7 a.m. Tuesday, New Year’s Eve.

The National Weather Service issued an “urgent” message Sunday that the impacted area will receive about an inch of mixed precipitation of snow and sleet along with a light glazing of ice producing hazardous conditions including slippery road conditions that could impact Monday’s morning or evening commute.

During the advisory, winds will gust as high as 35 m.p.h. buffering the Massachusetts coast. High winds could damage trees causing electrical outages. Below are telephone numbers to keep at the ready when the lights go out:

• Belmont Light (to report outages): 617-993-2800.
• The Town of Belmont EMERGENCY HOTLINE: (617) 993-2698.