National Weather Service United States Department of Commerce

 

                        
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FLUS43 KILX 051024
HWOILX

Hazardous Weather Outlook
National Weather Service Lincoln IL
524 AM CDT Sat Sep 5 2026

ILZ027>031-036>038-040>057-061-061100-
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-
524 AM CDT Sat Sep 5 2026

This Hazardous Weather Outlook is for central Illinois, east
central Illinois and west central Illinois.

.DAY ONE...Today and tonight.

The heat index will reach around 105 degrees across much of the area
by midday, although it will begin to edge downward late afternoon
following passage of a cold front.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

After a couple days of more tolerable conditions, the heat and
humidity is expected to return Tuesday and Wednesday.

Scattered thunderstorms are expected Wednesday night and Thursday.
The severe weather threat appears low at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

$$

ILZ062-063-066>068-071>073-061100-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
524 AM CDT Sat Sep 5 2026

This Hazardous Weather Outlook is for southeast Illinois.

.DAY ONE...Today and tonight.

A few thunderstorms will develop early in the afternoon, tracking
southeast ahead of a cold front. While the severe weather threat is
not high, these storms may contain brief periods of damaging winds.

Outside of the storms, the heat index will reach over 105 degrees
this afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

After a couple days of more tolerable conditions, the heat and
humidity is expected to return Tuesday and Wednesday.

Scattered thunderstorms are expected Wednesday night and Thursday.
The severe weather threat appears low at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed between 2 pm and 7 pm.

Expected storm motion is toward the southeast around 30 mph.

$$

Geelhart



                

Severe weather outlook
 

Severe thunderstorm risk categories