A winter weather advisory is in effect until 3 pm today. Wind gusts up to 40mph will cause blowing snow and wind chills around 20 below. Snow-covered to icy roads will cause hazardous driving conditions. Gusty winds and overnight snowfall has caused drifting snow on many north and south roads. The Mason County Sheriff's Office is reminding motorists to use caution when traveling today, due to the whiteout conditions.