Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
311 PM CDT Thu Jun 11 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-122015-
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-
311 PM CDT Thu Jun 11 2026 /411 PM EDT Thu Jun 11 2026/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

  Elevated Thunderstorm Risk...with an associated:
     Level 4 of 5 Damaging Wind Risk...up to 80 mph.
     Level 3 of 5 Tornado Risk.
     Level 2 of 5 Isolated Large Hail Risk...up to 2 inches in diameter.
  Elevated Flooding Risk.
  Elevated Non Thunderstorm Wind Risk.

DISCUSSION...

Severe thunderstorms will continue to develop in advance of an
approaching cold front this afternoon. These storms are expected
to move across the area through 10 PM this evening, and will be
capable of producing tornadoes and destructive winds, some
possibly significant. Instances of flash flooding may also occur
where thunderstorms repeatedly hit the same area.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Saturday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
  Limited Flooding Risk.
Tuesday and Wednesday...
  Limited Thunderstorm Risk.


.SPOTTER INFORMATION STATEMENT...

  Spotters will be needed through this evening.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east at around 45 mph.


$$

Hazard Report Provided By forecast.weather.gov