Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
243 PM CDT Tue Apr 21 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-221945-
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-
243 PM CDT Tue Apr 21 2026 /343 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...

  Limited Thunderstorm Risk through this evening.
  Elevated Fog Risk overnight near the lake.

DISCUSSION...

Isolated to scattered thunderstorms are possible into early this
evening, mainly southeast of a Sterling to Waukegan Illinois line.
While the severe threat appears low at this time, a few stronger
storms could produce wind gusts near 50 mph and small hail.

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

Wednesday...
 Limited Thunderstorm Risk south of I-80 and southeast of I-57.

Thursday and Friday... Limited Thunderstorm Risk. Monday...
 Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

  Any spotter reports early this evening are appreciated.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east-southeast around 50 mph.

$$

Hazard Report Provided By forecast.weather.gov