Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
911 PM CDT Tue Apr 21 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-230215-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
911 PM CDT Tue Apr 21 2026 /1011 PM EDT Tue Apr 21 2026/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

  Elevated Fog Risk near Lake Michigan.

DISCUSSION...

Areas of fog are possible overnight, mainly near Lake Michigan.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday...
  Limited Thunderstorm Risk south of I-80 and southeast of I-57.
  Elevated Fog Risk near Lake Michigan.
Thursday and Friday...
  Limited Thunderstorm Risk.
Monday...
  Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

$$

Hazard Report Provided By forecast.weather.gov