FLUS43 KILX 181000
HWOILX

Hazardous Weather Outlook
National Weather Service Lincoln IL
500 AM CDT Mon May 18 2026

ILZ027>031-036>038-040>043-047>051-191100-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-
500 AM CDT Mon May 18 2026

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

.DAY ONE...Today and tonight.

A broken line of thunderstorms will advance eastward to the I-55 corridor
this morning with a risk for scattered damaging wind gusts and
isolated large hail.

A second line of thunderstorms associated with an approaching cold 
front will arrive late tonight. There is a continued risk for 
damaging wind gusts and hail.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Thunderstorms will continue into early afternoon Tuesday. There is a
Slight Risk (level 2 of 5) for damaging wind gusts and hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed through noon today.

Expected storm motion is toward the northeast around 35 mph.

$$

ILZ044>046-052>057-061>063-066>068-071>073-191100-
Piatt-Champaign-Vermilion-Christian-Macon-Moultrie-Douglas-Coles-
Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford-Clay-
Richland-Lawrence-
500 AM CDT Mon May 18 2026

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

.DAY ONE...Today and tonight.

A broken line of thunderstorms will advance into east-central and
southeast IL late this morning through afternoon with a risk for 
scattered damaging wind gusts, isolated large hail, and a tornado or
two.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Another round of strong to severe thunderstorms is anticipated 
Tuesday morning through evening as a cold front pushes through the 
region. There is a Slight Risk (level 2 of 5) for damaging wind 
gusts and hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late morning through afternoon 
today.

Expected storm motion is toward the northeast around 35 mph.

$$

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