WHAT
Dangerously cold wind chills as low as 0 to 10 degrees below zero possible east of the Blue Ridge, and as low as 15 degrees below zero west of the Blue Ridge.

WHERE
Portions of DC, central, north central, northeast, and northern Maryland, northern, northwest, and western Virginia, and eastern and panhandle West Virginia.

WHEN
From late Friday night through Sunday morning.

IMPACTS
The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

ADDITIONAL DETAILS
Wind chills will remain at or below zero during the day on Saturday due to windy conditions and cold temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS
Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.