* WHAT...For the Frost Advisory, temperatures as low as 32 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 27 expected, with the coldest conditions across interior northern Illinois.
* WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana.
* WHEN...For the Frost Advisory, until 9 AM CDT /10 AM EDT/ this morning. For the Freeze Warning, from midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM EDT/ Monday.
* IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
* AFFECTED AREAS: WINNEBAGO ... BOONE ... MCHENRY ... LAKE ... OGLE ... LEE ... DE KALB ... KANE ... DUPAGE ... LA SALLE ... KENDALL ... GRUNDY ... KANKAKEE ... LIVINGSTON ... IROQUOIS ... FORD ... NORTHERN WILL ... SOUTHERN WILL ... EASTERN WILL ... LAKE ... PORTER ... NEWTON ... JASPER ... BENTON
