Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
353 PM CDT Fri Jul 3 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-042100-
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-
353 PM CDT Fri Jul 3 2026 /453 PM EDT Fri Jul 3 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 2 of 5 Damaging Wind Risk...up to 60 mph.
     Level 1 of 5 Large Hail Risk...up to quarter size.
  Limited Flooding Risk.
  Elevated Excessive Heat Risk south of I-80 this evening.

DISCUSSION...

Scattered thunderstorms are expected this evening into the
overnight hours. The main severe weather threat will be
damaging wind gusts. Heavy rain and localized flash flooding
will also be possible.

Hot and humid conditions will continue through early this
evening with peak heat indices of 100 to 105 south of I-80.

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

Saturday...
  Limited Flooding Risk.
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Sunday...
  Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed this evening and tonight.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 40 mph.

$$

Hazard Report Provided By forecast.weather.gov