The National Weather Service released an updated frost advisory at 9:40 a.m. on Friday valid for Saturday between 1 a.m. and 9 a.m. The advisory is for Leavenworth, Wyandotte, Johnson, Platte, Clay, Jackson, Miami, Linn, Schuyler, Adair, Clinton, Caldwell, Livingston, Macon, Ray, Carroll, Chariton, Randolph, Lafayette, Saline and Cass counties.
