Weather Alerts For De Soto, IL
Heat Advisory
-# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /9 PM EDT/ THIS EVENING HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM CDT /9 PM EDT/ THIS EVENING TO 8 PM CDT /9 PM EDT/ SATURDAY # DETAILS -------------------- WHAT For the Extreme Heat Warning today, dangerously hot conditions with peak heat index values up to near 110 degrees. For the Heat Advisory tomorrow, heat index values peak up to around 105 degrees. WHERE All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. WHEN For the Extreme Heat Warning, until 8 PM CDT /9 PM EDT/ this evening. For the Heat Advisory, from 8 PM CDT /9 PM EDT/ this evening to 8 PM CDT /9 PM EDT/ Saturday. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. ADDITIONAL DETAILS Overnight lows in the mid 70s will provide little relief during this prolonged, extended duration of dangerously high heat and humidity. ISSUED AT Friday, July 3, 2026 at 10:41 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Monitor the latest forecasts and warnings for updates. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. # AREAS AFFECTED -------------------- Butler, Hardin, Livingston, Todd, Warrick, White, Alexander, Ballard, Bollinger, Caldwell, Calloway, Cape Girardeau, Carlisle, Carter, Christian, Crittenden, Daviess, Edwards, Franklin, Fulton, Gallatin, Gibson, Graves, Hamilton, Henderson, Hickman, Hopkins, Jackson, Jefferson, Johnson, Lyon, Marshall, Massac, McCracken, McLean, Mississippi, Muhlenberg, New Madrid, Perry IL, Perry MO, Pike, Pope, Posey, Pulaski, Ripley, Saline, Scott, Spencer, Stoddard, Trigg, Union, Union KY, Vanderburgh, Wabash, Wayne IL, Wayne MO, Webster, Williamson Including the cities of Morganfield, Boonville, Mount Carmel, Mound City, Madisonville, Dixon, Wickliffe, Jackson, Elkton, Cape Girardeau, Metropolis, Golconda, Marion, Cadiz, Evansville, Murphysboro, Poseyville, Fort Branch, Owensboro, Charleston, Vienna, Murray, Piedmont, Cairo, Rockport, Calhoun, Princeton, Shawneetown, Sikeston, Hickman, Pinckneyville, Henderson, Perryville, Smithland, Harrisburg, Poplar Bluff, McLeansboro, Clinton, Hopkinsville, Greenville, Herrin, Jonesboro, Carmi, Fairfield, Bardwell, Van Buren, Doniphan, Mayfield, Elizabethtown, Marble Hill, New Madrid, Benton, West Frankfort, Mount Vernon, Carbondale, Eddyville, Petersburg, Bloomfield, Paducah, and Albion
Extreme Heat Warning
-# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /9 PM EDT/ THIS EVENING HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM CDT /9 PM EDT/ THIS EVENING TO 8 PM CDT /9 PM EDT/ SATURDAY # DETAILS -------------------- WHAT For the Extreme Heat Warning today, dangerously hot conditions with peak heat index values up to near 110 degrees. For the Heat Advisory tomorrow, heat index values peak up to around 105 degrees. WHERE All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. WHEN For the Extreme Heat Warning, until 8 PM CDT /9 PM EDT/ this evening. For the Heat Advisory, from 8 PM CDT /9 PM EDT/ this evening to 8 PM CDT /9 PM EDT/ Saturday. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. ADDITIONAL DETAILS Overnight lows in the mid 70s will provide little relief during this prolonged, extended duration of dangerously high heat and humidity. ISSUED AT Friday, July 3, 2026 at 10:41 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Monitor the latest forecasts and warnings for updates. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. # AREAS AFFECTED -------------------- Butler, Hardin, Livingston, Todd, Warrick, White, Alexander, Ballard, Bollinger, Caldwell, Calloway, Cape Girardeau, Carlisle, Carter, Christian, Crittenden, Daviess, Edwards, Franklin, Fulton, Gallatin, Gibson, Graves, Hamilton, Henderson, Hickman, Hopkins, Jackson, Jefferson, Johnson, Lyon, Marshall, Massac, McCracken, McLean, Mississippi, Muhlenberg, New Madrid, Perry IL, Perry MO, Pike, Pope, Posey, Pulaski, Ripley, Saline, Scott, Spencer, Stoddard, Trigg, Union, Union KY, Vanderburgh, Wabash, Wayne IL, Wayne MO, Webster, Williamson Including the cities of Morganfield, Boonville, Mount Carmel, Mound City, Madisonville, Dixon, Wickliffe, Jackson, Elkton, Cape Girardeau, Metropolis, Golconda, Marion, Cadiz, Evansville, Murphysboro, Poseyville, Fort Branch, Owensboro, Charleston, Vienna, Murray, Piedmont, Cairo, Rockport, Calhoun, Princeton, Shawneetown, Sikeston, Hickman, Pinckneyville, Henderson, Perryville, Smithland, Harrisburg, Poplar Bluff, McLeansboro, Clinton, Hopkinsville, Greenville, Herrin, Jonesboro, Carmi, Fairfield, Bardwell, Van Buren, Doniphan, Mayfield, Elizabethtown, Marble Hill, New Madrid, Benton, West Frankfort, Mount Vernon, Carbondale, Eddyville, Petersburg, Bloomfield, Paducah, and Albion
Lightning Alert
-Closest strike: 22.75 miles Monitor Storms You are not at immediate risk, but frequently check WeatherBug to see if storms are moving towards you. Be aware that new storms can also form with little notice.
