Tippah County and most of north Mississippi is under a frost advisory according to the National Weather service in Memphis. Timing is early Monday morning.
According to the NWS:
..FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT MONDAY... * TEMPERATURE/FROST COVERAGE...Temperatures will drop into the mid 30s overnight allowing for frost development. * TIMING...between 3 AM and 9 AM Monday morning. * IMPACTS...Frost could harm sensitive outdoor vegetation if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered.