...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT THURSDAY... ...FREEZE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... * WHAT...For the Frost Advisory, temperatures as low as 33 to 35 will result in frost formation overnight. For the Freeze Watch, sub-freezing temperatures as low as 30 possible by sunrise Friday morning. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...For the Frost Advisory, from midnight tonight to 9 AM CDT Thursday. For the Freeze Watch, from late Thursday night through Friday morning. * IMPACTS...Frost and freeze conditions could harm or kill sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Take inside or cover with cloth. &&