Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
219 AM CDT Thu Jun 4 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-050730-
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 AM CDT Thu Jun 4 2026 /319 AM EDT Thu Jun 4 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...

  Elevated Fire Weather Risk.

DISCUSSION...

Warm, dry, and breezy conditions will lead to an increased grass
and brush fire threat this afternoon.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
  Limited Flooding Risk mainly Friday evening
Saturday...
  Limited Flooding Risk.
  Limited Thunderstorm Risk.
Sunday through Tuesday...
  Limited Thunderstorm Risk at times.

DISCUSSION...

Showers and widely scattered storms are possible on Friday and
Friday night. The strongest storms may produce locally heavy
rainfall and isolated damaging wind gusts.

Off-and-on shower and storm chances will continue into early next
week.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

Special Weather Statement
National Weather Service Chicago/Romeoville IL
425 AM CDT Thu Jun 4 2026

ILZ003>006-008-010>013-019>021-103>108-INZ001-041600-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Northern Cook-Central Cook-Southern Cook-
Northern Will-Southern Will-Eastern Will-Lake IN-
Including the cities of Rockford, Belvidere, Crystal Lake,
Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove,
Mundelein, Gurnee, Rochelle, Oregon, Byron, Dixon, DeKalb,
Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove,
Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota,
Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka,
Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago,
Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest,
Lemont, Orland Park, Park Forest, Joliet, Bolingbrook,
Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete,
Peotone, Beecher, Gary, Hammond, and Merrillville
425 AM CDT Thu Jun 4 2026

...INCREASED GRASS AND BRUSH FIRE THREAT THIS AFTERNOON...

Warm conditions, southwest winds gusting as high as 25 mph, and
relative humidity falling as low as 25 percent will result in an
increased grass and brush fire threat this afternoon.

Use extra care with any outdoor activities that involve open
flame or sparks, including operating farm equipment, parking on
grass, and improperly discarding smoking materials.

$$

Hazard Report Provided By forecast.weather.gov