One product issued by NWS for: Glenbard South IL
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1120 AM CDT Sun Apr 12 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-131630-
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-
1120 AM CDT Sun Apr 12 2026 /1220 PM EDT Sun Apr 12 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.
DISCUSSION...
A few non-severe thunderstorms may occur over the region today
and tonight.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday through Thursday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Friday through Saturday...
Limited Thunderstorm Risk.
DISCUSSION...
An unseasonably warm pattern through the workweek may be
accompanied by several rounds of showers and thunderstorms, some
of which could be strong to severe.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 45 mph.
$$