Hazardous Weather Outlook
Issued by NWS Central Illinois
Issued by NWS Central Illinois
253 FLUS43 KILX 082058 HWOILX Hazardous Weather Outlook National Weather Service Lincoln IL 358 PM CDT Tue Sep 8 2026 ILZ027>031-036>038-040-041-091100- Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler- Mason- 358 PM CDT Tue Sep 8 2026 This Hazardous Weather Outlook is for central Illinois and west central Illinois. .DAY ONE...Late Afternoon and Tonight. Scattered thunderstorms will begin moving into areas northwest of the Illinois River late tonight. Severe weather is not expected during this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Scattered thunderstorms will continue through Wednesday morning, with additional thunderstorms developing during the afternoon. A few of these will be capable of producing strong winds and hail south of a Galesburg to Lacon line. There is a chance of thunderstorms from Saturday afternoon through Monday evening. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. $$ ILZ042>057-061>063-066>068-071>073-091100- Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-Morgan- Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby- Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence- 358 PM CDT Tue Sep 8 2026 This Hazardous Weather Outlook is for central Illinois, east central Illinois, southeast Illinois and west central Illinois. .DAY ONE...Late Afternoon and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Hot and more humid conditions will prevail on Wednesday afternoon, with heat indices peaking from 99 to 104 degrees, highest south of I-70. Isolated to scattered thunderstorms will develop during Wednesday afternoon, becoming more widespread during the evening. A few of the storms will be capable of producing strong wind gusts and hail. The rain will continue overnight into Thursday, with a widespread three quarter to 1.5 inches likely. Areas near and south of I-70 have a 20 to 40 percent chance of seeing more than 2 inches of accumulation. There is a chance of thunderstorms Saturday afternoon through Monday evening. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. $$ 07