Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1052 PM CDT Mon Apr 13 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-150400-
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-
1052 PM CDT Mon Apr 13 2026 /1152 PM EDT Mon Apr 13 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...with an associated:
    Level 1 of 5 Damaging Wind Risk...up to 55 mph.
    Level 1 of 5 Large Hail Risk...up to nickel size.
  Limited Flooding Risk.

DISCUSSION...

An area of thunderstorms is expected to move southeast out of
Wisconsin late tonight and through portions of northern Illinois.
The severe weather threat is expected to diminish with time.

.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 activation is not expected through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the southeast around 35 mph.

$$

Hazard Report Provided By forecast.weather.gov