Frost Advisory issued October 22 at 1:29PM CDT until October 23 at 8:00AM CDT by NWS
AREAS EFFECTED: Boone; De Kalb; DuPage; Grundy; Kane; Kendall; La Salle; Lake; Lee; McHenry; Northern Cook; Northern Will; Ogle; Southern Will; Winnebago
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY... * WHAT...Low temperatures in the low to mid 30s will result in frost formation. Some of the typically colder locations could drop below freezing for a time early Saturday morning. * WHERE...Portions of north central and northeast Illinois.