Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
334 AM CDT Wed Mar 25 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-260845-
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-
334 AM CDT Wed Mar 25 2026 /434 AM EDT Wed Mar 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...

  Elevated Fire Weather Risk.
  Limited Thunderstorm Risk tonight...with an associated:
     Level 1 of 5 Large Hail Risk...up to 1 inch in diameter.

DISCUSSION...

Gusty southwest winds and dry conditions will lead to a
heightened grass and brush fire danger this afternoon.

Scattered thunderstorms are expected tonight south of I-80. The
strongest storms will produce brief heavy downpours and hail,
possibly up to around 1" in diameter.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday afternoon and evening...
  Elevated Thunderstorm Risk...with an associated:
     Level 3 of 5 Severe Thunderstorm Risk.
Sunday Aafternoon...
  Elevated Fire Weather Risk.
Monday and Tuesday...
  Limited Thunderstorm Risk.

DISCUSSION...

Thunderstorms will likely develop Thursday afternoon, mainly near
and south of Interstates 88 and 290. Thunderstorms may linger
into the evening hours Thursday, especially well south of I-80.
Conditions appear favorable for severe thunderstorms capable of
producing hail potentially larger than 2 inches in diameter. In
addition, there will be some threat for locally damaging winds in
excess of 60 mph as well.

.SPOTTER INFORMATION STATEMENT...

 Spotters may be needed Thursday afternoon and evening.

GENERAL STORM MOTION OF THE DAY:

 Moving toward the east at 35 to 40 mph tonight.

$$

Hazard Report Provided By forecast.weather.gov