Wind chill (Jan. 1 at 4 p.m. Advisory until Tuesday Jan. 2 at 1 p.m. Eastern) - Berrien County, MI

from Weather dot-com (Weather Channel - National Weather Service):
VERY COLD WIND CHILLS EXPECTED. THE COLD WIND CHILLS WILL CAUSE FROSTBITE IN AS LITTLE AS 30 MINUTES TO EXPOSED SKIN. EXPECT WIND CHILLS TO RANGE FROM 15 BELOW ZERO TO 25 BELOW. * WHERE... PORTIONS OF NORTHERN INDIANA, SOUTHWEST MICHIGAN AND NORTHWEST OHIO. * WHEN... UNTIL 1 PM EST TUESDAY. January 2, 2018.
PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT COLD AIR AND THE WIND WILL COMBINE TO CREATE LOW WIND CHILLS.