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Heat Advisory
Issued: 5:43 AM Sep. 1, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT /9 PM EDT/ FRIDAY... * WHAT...Daily peak heat index values from 100 to 108 degrees. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...Until 8 PM CDT /9 PM EDT/ Friday. * IMPACTS...Prolonged duration hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat index values above 100 degrees may continue into Saturday. Several warm record overnight low temperatures in the mid-70s is possible this week. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. &&
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