Hazard Report Provided By forecast.weather.gov
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
418 AM CDT Sun May 17 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-180930-
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-
418 AM CDT Sun May 17 2026 /518 AM EDT Sun May 17 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 this morning.
DISCUSSION...
Scattered showers with embedded thunderstorms are expected along
and north of a Peru, IL to Waukegan, IL line this morning. No
severe weather is expected.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Tuesday...
Limited Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
DISCUSSION...
Additional periods of thunderstorms are expected at times Monday
through Tuesday afternoon, some of which may be severe.
.SPOTTER INFORMATION STATEMENT...
Spotters will not be needed through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 45 mph.
$$
Hazard Report Provided By forecast.weather.gov