Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
304 PM CDT Mon Sep 28 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-292015-
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-
304 PM CDT Mon Sep 28 2026 /404 PM EDT Mon Sep 28 2026/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Fog Risk.
DISCUSSION...
Fog is likely to develop again overnight, especially east of I-39.
Some locally dense fog with visibilities to one quarter mile or
less is also possible through early Tuesday morning.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday Morning...
Elevated Fog Risk.
Wednesday and Thursday...
Elevated Flooding Risk.
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Indianapolis IN
342 PM EDT Mon Sep 28 2026
INZ021-028>031-035>049-051>057-060>065-067>072-291945-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
342 PM EDT Mon Sep 28 2026
This hazardous weather outlook is for central Indiana.
.DAY ONE...Through Tonight.
Patchy fog will be possible late tonight mainly in northern portions
of central Indiana.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Patchy fog will end shortly after sunrise Tuesday.
Scattered thunderstorms with the primary threat being cloud to
ground lightning are expected Friday and Saturday. In addition,
locally heavy rainfall is also possible during this period.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$
Crosbie