Hazardous Weather Outlook
Issued by NWS Central Illinois
Issued by NWS Central Illinois
341 FLUS43 KILX 161955 HWOILX Hazardous Weather Outlook National Weather Service Lincoln IL 255 PM CDT Mon Jun 16 2025 ILZ027>031-036>038-040>043-047>053-171200- Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler- Mason-Logan-De Witt-Cass-Menard-Scott-Morgan-Sangamon-Christian- Macon- 255 PM CDT Mon Jun 16 2025 This Hazardous Weather Outlook is for central Illinois and west central Illinois. .DAY ONE...Tonight. Isolated thunderstorms will be possible through early evening. While severe weather is not expected, any storm that develops will be capable of locally heavy rainfall and isolated flash flooding. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered thunderstorms will develop ahead of a cold front late Tuesday afternoon and evening...primarily along and north of a Macomb to Bloomington line. A few of these storms may produce damaging wind gusts, large hail, and locally heavy rainfall. A large cluster of thunderstorms will develop across the Plains Tuesday night, then track eastward toward Illinois by dawn Wednesday. While these storms will be in a weakening phase, gusty winds will be possible along and west of the I-55 corridor. Additional thunderstorms will develop along a cold front Wednesday afternoon and evening. Damaging wind gusts, large hail, and a few tornadoes will be possible. The most likely location for initial storm development Wednesday afternoon will be east of the Illinois River. A period of hot and humid weather is expected by the end of the week. High temperatures in the lower to middle 90s will create heat index values in excess of 100 degrees by next Saturday and Sunday. This may cause heat related illness for those without effective cooling, especially for sensitive individuals. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. $$ ILZ044>046-054>057-061>063-066>068-071>073-171200- Piatt-Champaign-Vermilion-Moultrie-Douglas-Coles-Edgar-Shelby- Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence- 255 PM CDT Mon Jun 16 2025 This Hazardous Weather Outlook is for central Illinois, east central Illinois and southeast Illinois. .DAY ONE...Tonight. Isolated thunderstorms will be possible through early evening. While severe weather is not expected, any storm that develops will be capable of locally heavy rainfall and isolated flash flooding. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Thunderstorms will develop along a cold front Wednesday afternoon and evening. Damaging wind gusts, large hail, and a few tornadoes will be possible. A period of hot and humid weather is expected by the end of the week. High temperatures in the lower to middle 90s will create heat index values in excess of 100 degrees by next Saturday and Sunday. This may cause heat related illness for those without effective cooling, especially for sensitive individuals. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. $$ Barnes