Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
300 PM CDT Sat Apr 25 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-262000-
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-
300 PM CDT Sat Apr 25 2026 /400 PM EDT Sat Apr 25 2026/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Limited Fog Risk.

DISCUSSION...

Fog may develop across northeast Illinois overnight. Some of this
fog could become dense toward sunrise Sunday.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Monday...
  Elevated Flooding Risk.
  Significant Thunderstorm Risk...with an associated:
     Level 3 of 5 Severe Thunderstorm Risk.

DISCUSSION...

Severe thunderstorms are expected Monday afternoon into Monday
evening. All severe hazards are possible including tornadoes,
large hail and damaging winds. Heavy rainfall may lead to
localized flooding and possible renewed rises on area rivers.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

Hazard Report Provided By forecast.weather.gov