Weather Alerts For Sugar Grove, IL

# HEADLINE -------------------- FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING # DETAILS -------------------- WHAT Low temperatures near freezing are expected. WHERE Boone, De Kalb, Lee, Ogle, Winnebago, Kane, and McHenry Counties. WHEN Until 8 AM CDT this morning. IMPACTS Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. ISSUED AT Saturday, October 17, 2026 at 2:22 AM CDT ISSUED BY National Weather Service Chicago IL HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Boone, De Kalb, Kane, Lee, McHenry, Ogle, Winnebago Including the cities of Dixon, DeKalb, Byron, McHenry, Aurora, Rochelle, Belvidere, Algonquin, Sycamore, Rockford, Woodstock, Crystal Lake, Elgin, and Oregon