Temperatures are expected to rapidly begin dropping into the teens and single digits behind an arctic front on Friday. Lows in the single digits are expected Saturday morning.

In addition, windy conditions are anticipated with northwest winds of 15 to 20 mph with frequent gusts of 30 to 40 mph likely. Higher gusts are possible atelevations above 2000 feet.

If you are traveling by car during this time, keep your phone charged, pack extra clothes and blankets and bring extra food in case you become stranded. Bring your pets inside and provide adequate shelter for livestock. Leave your inside faucets dripping hot and cold water during prolonged periods where temperatures do not rise above freezing. Avoid outside activities if possible. If you have to go outside dress warmly in coats, gloves and hats.

http://www.weather.gov