Active Weather Alerts
Extreme Heat Warning
Issued: 3:28 PM Aug. 13, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT SATURDAY... * WHAT...Dangerously hot conditions with heat index values up to 113. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 9 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
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