Strong to Severe Storms Expected Today

Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

621 FLUS43 KILX 161651 HWOILX Hazardous Weather Outlook National Weather Service Lincoln IL 1151 AM CDT Wed Sep 16 2026 ILZ027>031-036>038-040>048-171200- Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler- Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard- 1151 AM CDT Wed Sep 16 2026 This Hazardous Weather Outlook is for central Illinois, east central Illinois and west central Illinois. .DAY ONE...This afternoon and tonight. Isolated thunderstorms are still possible this afternoon, with a continued threat for heavy rainfall and localized flooding in low lying areas. Scattered thunderstorms will also return late tonight as the frontal system returns to the area after midnight. These storms could produce heavy rainfall and localized flooding. Temperatures will be seasonally warm at times. Heat indices of 90 to 100 degrees are forecast for parts of the area this afternoon. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Scattered thunderstorms (30-60% chance) are forecast for Thursday, posing a threat for heavy rainfall. Additional thunderstorm chances persist through the end of the week and next weekend. The threat of locally heavy rainfall will persist through the weekend as well. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. $$ ILZ049>057-061>063-066>068-071>073-171200- Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar- Shelby-Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland- Lawrence- 1151 AM CDT Wed Sep 16 2026 This Hazardous Weather Outlook is for central Illinois, east central Illinois, southeast Illinois and west central Illinois. .DAY ONE...This afternoon and tonight. Isolated thunderstorms are possible at times this this afternoon and early this evening, posing a threat for heavy rainfall and localized flooding of roads in low lying areas. Temperatures will be seasonally warm at times. Heat indices of 100 to 105 degrees are forecast for most of the area this afternoon. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Mainly isolated thunderstorms (20% chance) are forecast periodically the rest of this week and weekend. Temperatures will remain seasonally warm at times. Heat indices over 100 degrees south of I-72/Danville Thursday afternoon are expected. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. $$ Auten