The National Weather Service has issued a frost advisory for Macon County from 1 a.m. to 9 a.m. Saturday, warning that temperatures as low as 32 degrees will bring frost.
The advisory was issued at 1:51 a.m. Friday by the weather service office in Pleasant Hill. It also covers neighboring Adair, Linn, Chariton, and Randolph counties, along with parts of central, northern, and western Missouri and eastern Kansas.
"Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered," according to the advisory, which tells residents to take steps now to protect tender plants from the cold.
The weather service forecast for Macon calls for a low around 34 Friday night, with areas of frost after 4 a.m., then widespread frost before 9 a.m. Saturday. Saturday is forecast to be sunny with a high near 58.
Frost is possible again early Sunday. The forecast calls for a low around 36 Saturday night, with areas of frost late that night and early Sunday morning, followed by a sunny high near 65 Sunday.
Friday is forecast to be mostly cloudy with a high near 52 and a northwest wind of 14 to 20 mph, with gusts as high as 33 mph.