Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
247 PM CDT Fri Aug 7 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-082000-
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-
247 PM CDT Fri Aug 7 2026 /347 PM EDT Fri Aug 7 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.

DISCUSSION...

A few gusty thunderstorms are possible mainly north and west of
I-55 tonight. If storms occur in northern Illinois this evening,
then they may produce gusty winds and torrential downpours.

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

Sunday...
  Elevated Flooding Risk.
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Monday...
  Elevated Flooding Risk.
  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
Tuesday...
  Elevated Flooding Risk.
  Limited Thunderstorm Risk.
Wednesday and Thursday...
  Limited Thunderstorm Risk.

DISCUSSION...

Multiple waves of thunderstorms are possible Saturday night
through early next week. Some storms may be severe and produce
locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the southeast around 40 mph.

$$

Hazard Report Provided By forecast.weather.gov