Active Weather Alerts
Heat Advisory
Issued: 6:11 PM Aug. 12, 2026 – National Weather Service
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM CDT /NOON EDT/ THURSDAY TO 8 PM CDT /9 PM EDT/ SUNDAY... ...HEAT ADVISORY NOW IN EFFECT UNTIL 11 AM CDT /NOON EDT/ THURSDAY... * WHAT...For the Heat Advisory, heat index values up to 107. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, until 11 AM CDT /noon EDT/ Thursday. For the Extreme Heat Warning, from 11 AM CDT /noon EDT/ Thursday to 8 PM CDT /9 PM EDT/ Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. &&
Extreme Heat Warning
Issued: 6:11 PM Aug. 12, 2026 – National Weather Service
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM CDT /NOON EDT/ THURSDAY TO 8 PM CDT /9 PM EDT/ SUNDAY... ...HEAT ADVISORY NOW IN EFFECT UNTIL 11 AM CDT /NOON EDT/ THURSDAY... * WHAT...For the Heat Advisory, heat index values up to 107. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, until 11 AM CDT /noon EDT/ Thursday. For the Extreme Heat Warning, from 11 AM CDT /noon EDT/ Thursday to 8 PM CDT /9 PM EDT/ Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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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