Heat Advisory: Knox; Stark; Peoria; Fulton; Tazewell; Schuyler; Mason; Logan; De Witt; Piatt; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence

source: us-gov-api (us-gov-api:noaa-weather)published 2026-08-31 21:30ingested 2026-09-01 02:46

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Heat Advisory — Knox; Stark; Peoria; Fulton; Tazewell; Schuyler; Mason; Logan; De Witt; Piatt; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence Severity: Moderate. Certainty: Likely. * WHAT...Daytime heat index values up to 105, only falling into the mid to upper 70s at night. * WHERE...Much of central, east central, southeast, and west central Illinois. * WHEN...Until 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

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