Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
219 PM CDT Fri Jun 26 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-271930-
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-
219 PM CDT Fri Jun 26 2026 /319 PM EDT Fri Jun 26 2026/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Limited Flooding Risk south of U.S. 24.

DISCUSSION...

Showers and an isolated thunderstorm south of the U.S. 24 corridor
this afternoon and tonight could produce locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday Night and Sunday Morning...
  Limited Thunderstorm Risk, mainly south and west of the Fox Valley.
Monday through Thursday...
  Elevated Excessive Heat Risk.

DISCUSSION...

Dangerous heat with afternoon heat index values over 100 degrees
is expected beginning Monday and will likely continue well into
next week.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

Hazard Report Provided By forecast.weather.gov