Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
340 AM CDT Sun Apr 26 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-270845-
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-
340 AM CDT Sun Apr 26 2026 /440 AM EDT Sun Apr 26 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...

Isolated thunderstorms are possible toward sunrise Monday morning,
mainly along and west of Interstate 39. Severe weather is not
expected.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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

DISCUSSION...

Severe thunderstorms are possible 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.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 30 to 40 mph.

$$

Hazard Report Provided By forecast.weather.gov