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Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
308 PM CDT Tue Jul 14 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-152015-
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-
308 PM CDT Tue Jul 14 2026 /408 PM EDT Tue Jul 14 2026/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Limited Excessive Heat Risk.

DISCUSSION...

Afternoon heat indices will peak around 100 degrees this
afternoon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday...
  Limited Excessive Heat Risk.
Thursday through Saturday...
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.
Friday through Sunday...
  Limited Thunderstorm Risk at times.

DISCUSSION...

Peak heat index values of 100 to 105 degrees are expected on
Wednesday, and then around 100 on Thursday. Lake breezes may
provide slight relief along the immediate Lake Michigan shore
each afternoon.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

Hazard Report Provided By forecast.weather.gov

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