The advisory includes all of southern Illinois except the counties of Alexander, Pulaski and Massac, as well as western Kentucky counties north and east of the lakes.
Clear skies and calm winds will allow temperatures to drop into the middle 30s by sunrise.
Areas of frost may damage sensitive outdoor vegetation.
A frost advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered.
On the Net:
Paducah Weather Service webpage