


Hazardous Weather Outlook
Issued by NWS Central Illinois
Issued by NWS Central Illinois
280 FLUS43 KILX 171635 HWOILX Hazardous Weather Outlook National Weather Service Lincoln IL 1135 AM CDT Thu Jul 17 2025 ILZ027>031-036>038-181100- Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- 1135 AM CDT Thu Jul 17 2025 This Hazardous Weather Outlook is for central Illinois and west central Illinois. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There will be daily chances for showers and thunderstorms Friday through Tuesday. Some of the storms could be strong to severe Saturday and Saturday night. Locally heavy rain will be possible at times. Heat and humidity will build back across the region starting Tuesday, and will persist into the day Wednesday and likely beyond. Heat indices are expected to peak in the 105 to 115 degree range. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. $$ ILZ040>057-061-181100- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard- Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar- Shelby- 1135 AM CDT Thu Jul 17 2025 This Hazardous Weather Outlook is for central Illinois, east central Illinois and west central Illinois. .DAY ONE...This afternoon and tonight. Scattered thunderstorms are expected to redevelop this afternoon, and continue into the evening. While the severe weather threat is low, the storms may produce some heavy rain, primarily near the I-70 corridor. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There will be daily chances for showers and thunderstorms Friday through Tuesday. Some of the storms could be strong to severe Saturday and Saturday night. Locally heavy rain will be possible at times. Heat and humidity will build back across the region starting Tuesday, and will persist into the day Wednesday and likely beyond. Heat indices are expected to peak in the 105-115 degree range. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. $$ ILZ062-063-066>068-071>073-181100- Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence- 1135 AM CDT Thu Jul 17 2025 This Hazardous Weather Outlook is for southeast Illinois. .DAY ONE...This afternoon and tonight. Scattered thunderstorms are expected to redevelop this afternoon, and continue into the evening. A few will be strong or briefly severe, with damaging winds the main concern. In addition, the storms will produce a quick 1 to 2 inches of rain, with about a 30 percent chance of seeing more than 3 inches. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There will be daily chances for showers and thunderstorms Friday through Tuesday. Some of the storms could be strong to severe Saturday and Saturday night. Locally heavy rain will be possible at times. Heat and humidity will build back across the region starting Tuesday and will persist into the day Wednesday and likely beyond. Heat indices are expected to peak in the 105 to 115 degree range. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed from about 4 pm to 9 pm. Expected storm motion is toward the east around 25 mph. $$ Geelhart