Hazard Report Provided By forecast.weather.gov
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
419 AM CDT Mon Apr 13 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-140930-
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-
419 AM CDT Mon Apr 13 2026 /519 AM EDT Mon Apr 13 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...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to half dollar size.
DISCUSSION...
If widely scattered thunderstorms are able to develop this
afternoon into this evening, a few severe storms will be
possible. Additional weakening gusty thunderstorms may approach
from the northwest overnight tonight.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday and Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk Tuesday.
Level 2 of 5 Severe Thunderstorm Risk Wednesday.
Limited Flooding Risk.
Thursday and Friday Night into Saturday...
Limited Thunderstorm Risk.
DISCUSSION...
Waves of storms are expected Tuesday PM through Wednesday. Some
may be severe with all hazards including flash flooding.
.SPOTTER INFORMATION STATEMENT...
Spotter reports may be needed this afternoon and evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the the east-northeast at around 45 mph.
$$
Hazard Report Provided By forecast.weather.gov