Ice dams are common all over JP, including this Prince Street home. Taken Wednesday, Feb. 11, 2015.

Brrr. Wind Chill of 18 Below Possible Friday Morning

The National Weather Service warns of dangerous cold in Jamaica Plain starting at 3 a.m. Friday. It issued an advisory to expect wind chills of -18 and temperatures of zero. That's cold even by our recent standards. The advisory runs from 3-10 a.m. Friday. The Jamaica Plain-based MSPCA reminds us that the cold can be dangerous for pets.