...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Very cold wind chills as low as 28 below zero. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...Until 10 AM CST this morning. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Light winds are limiting the coverage and persistence of the coldest wind chills, but with air temperatures as cold as 10 below to 18 below zero, even a slight breeze will produce periods of dangerous wind chills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. &&