SOUTH DAKOTA - Happy Cold Valentine's Day! Bitterly cold and dangerous temperatures and wind chills will be found over the northern plains and South Dakota today. Winds from 10mph or less and along with cold temperatures, wind chill readings will easily get down to -45. With these extreme cold temperatures, frostbite is possible in about five to ten minutes on exposed skin.
Tonight will not be any better as air temperatures are forecast to drop into the teens and 20s below zero.