Weather Alerts For Calvert City, KY

# HEADLINE -------------------- EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY HEAT ADVISORY NOW IN EFFECT UNTIL 11 AM CDT TUESDAY # DETAILS -------------------- 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. ISSUED AT Monday, July 20, 2026 at 8:38 AM CDT ISSUED BY National Weather Service Paducah KY HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- Calloway, Carter, Christian, Gallatin, Hickman, Alexander, Ballard, Bollinger, Butler, Caldwell, Cape Girardeau, Carlisle, Crittenden, Franklin, Fulton, Graves, Hamilton, Hardin, Hopkins, Jackson, Jefferson, Johnson, Livingston, Lyon, Marshall, Massac, McCracken, Mississippi, Muhlenberg, New Madrid, Perry IL, Perry MO, Pope, Pulaski, Ripley, Saline, Scott, Stoddard, Todd, Trigg, Union, Union KY, Wayne MO, Webster, Williamson Including the cities of Marion, Cairo, Jackson, Shawneetown, Metropolis, Murray, Morganfield, Harrisburg, Smithland, Carbondale, Cape Girardeau, Herrin, Mount Vernon, Pinckneyville, Elkton, New Madrid, Eddyville, Dixon, Jonesboro, Wickliffe, Mound City, Madisonville, Hickman, Poplar Bluff, Piedmont, Golconda, Murphysboro, Mayfield, Bardwell, Marble Hill, Perryville, Van Buren, Doniphan, Charleston, Clinton, Paducah, West Frankfort, Elizabethtown, Cadiz, McLeansboro, Hopkinsville, Greenville, Bloomfield, Princeton, Sikeston, Vienna, and Benton

# HEADLINE -------------------- EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY HEAT ADVISORY NOW IN EFFECT UNTIL 11 AM CDT TUESDAY # DETAILS -------------------- 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. ISSUED AT Monday, July 20, 2026 at 8:38 AM CDT ISSUED BY National Weather Service Paducah KY HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- Calloway, Carter, Christian, Gallatin, Hickman, Alexander, Ballard, Bollinger, Butler, Caldwell, Cape Girardeau, Carlisle, Crittenden, Franklin, Fulton, Graves, Hamilton, Hardin, Hopkins, Jackson, Jefferson, Johnson, Livingston, Lyon, Marshall, Massac, McCracken, Mississippi, Muhlenberg, New Madrid, Perry IL, Perry MO, Pope, Pulaski, Ripley, Saline, Scott, Stoddard, Todd, Trigg, Union, Union KY, Wayne MO, Webster, Williamson Including the cities of Marion, Cairo, Jackson, Shawneetown, Metropolis, Murray, Morganfield, Harrisburg, Smithland, Carbondale, Cape Girardeau, Herrin, Mount Vernon, Pinckneyville, Elkton, New Madrid, Eddyville, Dixon, Jonesboro, Wickliffe, Mound City, Madisonville, Hickman, Poplar Bluff, Piedmont, Golconda, Murphysboro, Mayfield, Bardwell, Marble Hill, Perryville, Van Buren, Doniphan, Charleston, Clinton, Paducah, West Frankfort, Elizabethtown, Cadiz, McLeansboro, Hopkinsville, Greenville, Bloomfield, Princeton, Sikeston, Vienna, and Benton