Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
409 AM CDT Tue Aug 25 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-260915-
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-
409 AM CDT Tue Aug 25 2026 /509 AM EDT Tue Aug 25 2026/

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

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk late tonight.

DISCUSSION...

Scattered showers and isolated non-severe thunderstorms may
develop late tonight, mainly in northwest Illinois and near the
Illinois-Wisconsin state line.

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

Wednesday...
  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
Sunday and Monday...
  Limited Thunderstorm Risk.

DISCUSSION...

Scattered thunderstorms are expected to develop along a cold
front Wednesday afternoon into early evening with the greatest
coverage favored east of Interstate 55 and south of Interstate 80.
A few storms could be strong to severe and capable of localized
damaging winds and large hail.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the southeast around 20 mph.

$$

Hazard Report Provided By forecast.weather.gov