Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
208 AM CDT Fri Apr 3 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-040715-
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-
208 AM CDT Fri Apr 3 2026 /308 AM EDT Fri Apr 3 2026/

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

.DAY ONE...Early this Morning through Tonight.

Weather hazards expected...

  Limited Flooding Risk.
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Tornado Risk mainly south of I-80
     Level 1 of 5 Damaging Wind Risk...up to 60 mph.
     Level 1 of 5 Large Hail Risk...up to quarter size.

DISCUSSION...

Thunderstorms are possible this afternoon mainly south of the
Illinois and Kankakee river valleys, along a northward returning
warm front. A few storms may be severe, with the main threats
being large hail and damaging winds, though an isolated tornado
threat will also exist along the warm front mainly south of I-80
late this afternoon into early this evening. Thunderstorms will
then become more numerous and spread across the area overnight as
an area of low pressure moves through the area. In addition to the
hail and wind threat, locally heavy rainfall will accompany
storms tonight and may result in localized flooding particularly
in areas which received heavy rain on Thursday.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday...
  Limited Flooding Risk.
  Limited Thunderstorm Risk mainly east of I-57 in the morning.

.SPOTTER INFORMATION STATEMENT...

  Spotters may be be needed this afternoon and evening.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast at 35 to 40 mph.

$$

Hazard Report Provided By forecast.weather.gov