Weather Alerts For Chicago Heights, IL

# HEADLINE -------------------- WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST FRIDAY # DETAILS -------------------- WHAT Lake effect snow expected. Accumulating wet snow likely away from the lakeshore especially near the Illinois-Indiana state line. Localized snowfall totals of 3 inches or greater possible. WHERE Eastern Will and Southern Cook Counties. WHEN From midnight tonight to 10 AM CST Friday. IMPACTS Plan on slippery road conditions, especially on bridges and overpasses. The hazardous conditions will impact the Friday morning commute. ISSUED AT Thursday, November 12, 2026 at 12:31 PM CST ISSUED BY National Weather Service Chicago IL HEADER URGENT - WINTER WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained at www.gettingaroundillinois.com. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions. # AREAS AFFECTED -------------------- Eastern Will, Southern Cook Including the cities of Lemont, Oak Forest, Orland Park, Crete, Beecher, Park Forest, Peotone, and Calumet City