Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
407 AM CDT Thu Jun 11 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-120915-
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-
407 AM CDT Thu Jun 11 2026 /507 AM EDT Thu Jun 11 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...

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

DISCUSSION...

Two rounds of severe storms are expected today. The first round
will be between 11 AM and 3 PM with a threat for destructive winds
and hail. The second round will be between 4 and 11 PM with a
threat for strong tornadoes and destructive winds. Instances of
flash flooding may 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.

Sunday through Wednesday...
  Limited Thunderstorm Risk.


.SPOTTER INFORMATION STATEMENT...

  Spotters will be needed today.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east at around 45 mph.

$$

Hazard Report Provided By forecast.weather.gov