National Weather Service United States Department of Commerce

 

                        
019
FLUS43 KILX 210929
HWOILX

Hazardous Weather Outlook
National Weather Service Lincoln IL
429 AM CDT Tue Apr 21 2026

ILZ027>031-036-037-040-041-047-049-050-220930-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-Schuyler-Mason-
Cass-Scott-Morgan-
429 AM CDT Tue Apr 21 2026

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

.DAY ONE...Today and tonight.

Minor flooding is ongoing or forecast along portions of the Illinois
River.

There is a chance for thunderstorms this evening into tonight. The
severe threat appears low at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Minor flooding will continue along portions of the Illinois River.
The river is expected to reach moderate flood stage at Havana later
in the week.

Additional storms are possible Thursday night into Friday. It is too
early to determine the severe risk at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

$$

ILZ038-042>046-048-051>057-061>063-066>068-071>073-220930-
McLean-Logan-De Witt-Piatt-Champaign-Vermilion-Menard-Sangamon-
Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-Cumberland-Clark-
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
429 AM CDT Tue Apr 21 2026

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

.DAY ONE...Today and tonight.

There is a chance for thunderstorms this evening into tonight. The
severe threat appears low at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Additional storms are possible Thursday night into Friday. It is too
early to determine the severe risk at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

$$

Deubelbeiss



                

Severe weather outlook
 

Severe thunderstorm risk categories