Dense Fog Advisory
Status
Event Extended (Area) Active alertStart Time
Thu 04/16/2026 09:07 PM EDTEnd Time
Fri 04/17/2026 11:00 AM EDTSignificance
AdvisoryImpacts
Low impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service Chicago IL 807 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog expected. * WHERE...In Illinois, Southern Cook County. In Indiana, Lake IN County. * WHEN...Until 10 AM CDT Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Dense fog will continue spreading across the impacted counties this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Technical Header
ILZ105-INZ001-171115- /O.EXA.KLOT.FG.Y.0010.000000T0000Z-260417T1500Z/ Southern Cook-Lake IN- Including the cities of Gary, Hammond, Merrillville, Lemont, Park Forest, Oak Forest, Orland Park, and Calumet City 807 PM CDT Thu Apr 16 2026
