Weather Alerts For Arlington Heights, IL

# HEADLINE -------------------- BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH TUESDAY MORNING # DETAILS -------------------- WHAT High wave action and dangerous currents at Lake Michigan beaches expected. Waves greater than 4 feet expected. WHERE Lake IL and Northern Cook Counties. WHEN From 5 PM CDT this afternoon through Tuesday morning. IMPACTS Swimming conditions will be life threatening, especially for inexperienced swimmers. ISSUED AT Monday, September 14, 2026 at 1:43 PM CDT ISSUED BY National Weather Service Chicago IL HEADER Coastal Hazard Message # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. # AREAS AFFECTED -------------------- Lake IL, Northern Cook