FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN KANSAS CITY/PLEASANT HILL HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 8 AM CDT SATURDAY. * TEMPERATURE...TONIGHT WILL DIP INTO THE UPPER 30S ACROSS FAR NORTHWEST MISSOURI AND EXTREME NORTHEAST KANSAS EARLY SATURDAY MORNING. * IMPACTS...PLANTS AND TENDER VEGETATION MAY BE KILLED IF LEFT UNSHELTERED OUTSIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.