Illinois Warnings, Watches & Advisories
Data updated: Sep 14, 2026 2:26 PM (UTC).
2 alert(s), ordered by priority. All alerts are listed, including additional alerts for the same county. Areas can include forecast zones or only part of a county.
Times use the UTC offset supplied by NWS. Expected end and bulletin expiration are shown separately when available. The map and this list may update at different times.
| County / affected area | Alert | Description & actions | Starts | Ends / expires |
|---|---|---|---|---|
| Lake; Northern Cook | Beach Hazards StatementSeverity: Moderate | * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 5 to 8 ft expected. * WHERE...Lake IL and Northern Cook Counties. * WHEN...From this afternoon through Tuesday morning. * IMPACTS...Swimming condition... Full details & instructions* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 5 to 8 ft expected. * WHERE...Lake IL and Northern Cook Counties. * WHEN...From this afternoon through Tuesday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. What to do: Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. Issued by: NWS Chicago IL | Sep 14, 2026 5:00 PM (UTC-05:00) | Sep 15, 2026 7:00 AM (UTC-05:00)Bulletin expires: Sep 14, 2026 11:15 AM (UTC-05:00) |
| Jefferson; Wayne; Edwards; Wabash; Perry; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Ballard; McCracken; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne | Heat AdvisorySeverity: Moderate | * WHAT...Daily peak heat index values up to 105 degrees. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...From 11 AM CDT /noon EDT/ Tuesday to 7 PM CDT /8 PM EDT/ Wednesday. * IM... Full details & instructions* WHAT...Daily peak heat index values up to 105 degrees. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...From 11 AM CDT /noon EDT/ Tuesday to 7 PM CDT /8 PM EDT/ Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Issued by: NWS Paducah KY | Sep 15, 2026 11:00 AM (UTC-05:00) | Sep 16, 2026 7:00 PM (UTC-05:00)Bulletin expires: Sep 14, 2026 5:00 PM (UTC-05:00) |