Hazard Report Provided By forecast.weather.gov
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
956 PM CDT Wed Apr 1 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-030300-
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-
956 PM CDT Wed Apr 1 2026 /1056 PM EDT Wed Apr 1 2026/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
Showers and thunderstorms will move across the area tonight.
Localized instances of flooding will be possible, particularly in
low lying areas. Severe weather is not expected tonight.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
Limited Flooding Risk.
Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Friday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
DISCUSSION...
There is a threat for a regional severe weather outbreak on
Thursday, especially west of Interstate 55. Tornadoes are the main
threat.
Additional waves of showers and storms are possible Friday
afternoon into Saturday morning. A few storms may be severe.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 35 mph.
$$
Hazard Report Provided By forecast.weather.gov