A significant Arctic outbreak is expected to bring subzero temperatures to Colorado over the Martin Luther King Jr. holiday weekend. 🥶 The 9NEWS Weather Impact Team now has enough confidence in the frigid weekend to put 9NEWS Weather Impact Days into effect for all day Saturday, all day Sunday and Monday morning. Blizzard conditions are possible on the Eastern Plains on Saturday, likely leading to widespread issues on Interstate 70 and Interstate 76 east of Denver. bianchiweather has the details at the link in our bio. 🥶 #9wx #cowx #9news #denver #polarplunge #arcticblast #coldfront