Central Illinois
Weather Forecast Office
284
FLUS43 KILX 192104
HWOILX
Hazardous Weather Outlook
National Weather Service Lincoln IL
404 PM CDT Sun Jul 19 2026
ILZ027>031-036>038-040>057-061>063-066>068-071>073-202115-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-
Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
404 PM CDT Sun Jul 19 2026
This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.
.DAY ONE...Tonight.
Smoke from Canadian Wildfires has spread across central and
southeast IL today, causing air quality that is Unhealthy for
Sensitive Groups, and an Air Quality Alert is in effect.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Thunderstorms are possible Monday evening ahead of a cold front.
Strong to severe storms may occur north of I-72, with damaging winds
and small hail the main threats.
Strong to severe storms are possible again Tuesday afternoon in
southeastern Illinois. The main severe threats with these storms
will be damaging winds, hail around 1 inch, and a brief tornado or
two.
Afternoon heat index values near 100 are possible again Monday and
Tuesday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
Copple
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Central Illinois
1362 State Route 10
Lincoln, IL 62656
217-732-7321 (forecast recording) or 217-732-3089
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