Active Weather Alerts
Extreme Heat Warning
Issued: 1:38 PM Jul. 20, 2026 – National Weather Service
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY... ...HEAT ADVISORY NOW IN EFFECT UNTIL 11 AM CDT TUESDAY... * WHAT...For the Heat Advisory, heat index values of 100 to 106. For the Extreme Heat Warning, dangerously hot conditions with heat index values of 110 to 116. * WHERE...Portions of southern Illinois, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, until 11 AM CDT Tuesday. For the Extreme Heat Warning, from 11 AM to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. 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. &&
Heat Advisory
Issued: 1:38 PM Jul. 20, 2026 – National Weather Service
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY... ...HEAT ADVISORY NOW IN EFFECT UNTIL 11 AM CDT TUESDAY... * WHAT...For the Heat Advisory, heat index values of 100 to 106. For the Extreme Heat Warning, dangerously hot conditions with heat index values of 110 to 116. * WHERE...Portions of southern Illinois, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, until 11 AM CDT Tuesday. For the Extreme Heat Warning, from 11 AM to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. 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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