Weather Alerts For Saint Charles, KY

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT /9 PM EDT/ FRIDAY # DETAILS -------------------- WHAT Daily peak heat index values from 100 up to near 110 degrees. WHERE All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. WHEN Until 8 PM CDT /9 PM EDT/ Friday. IMPACTS Prolonged duration hot temperatures and high humidity may cause heat illnesses. ISSUED AT Monday, August 31, 2026 at 11:19 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 -------------------- Alexander, Bollinger, Hopkins, Marshall, Scott, Spencer, White, Ballard, Butler, Caldwell, Calloway, Cape Girardeau, Carlisle, Carter, Christian, Crittenden, Daviess, Edwards, Franklin, Fulton, Gallatin, Gibson, Graves, Hamilton, Hardin, Henderson, Hickman, Jackson, Jefferson, Johnson, Livingston, Lyon, Massac, McCracken, McLean, Mississippi, Muhlenberg, New Madrid, Perry IL, Perry MO, Pike, Pope, Posey, Pulaski, Ripley, Saline, Stoddard, Todd, Trigg, Union, Union KY, Vanderburgh, Wabash, Warrick, Wayne IL, Wayne MO, Webster, Williamson Including the cities of Mayfield, Carmi, Paducah, Clinton, Bloomfield, Cape Girardeau, Greenville, Jackson, Henderson, Jonesboro, Eddyville, Dixon, Morganfield, Cairo, Rockport, Carbondale, Calhoun, Smithland, Fort Branch, Mount Vernon, Wickliffe, Owensboro, Poseyville, Marion, Evansville, Murray, Pinckneyville, Mount Carmel, Boonville, Golconda, Fairfield, Hopkinsville, Marble Hill, Charleston, Herrin, Elkton, West Frankfort, Harrisburg, Hickman, Van Buren, Poplar Bluff, Shawneetown, Albion, McLeansboro, Mound City, Princeton, Madisonville, Piedmont, New Madrid, Murphysboro, Petersburg, Sikeston, Bardwell, Vienna, Cadiz, Metropolis, Doniphan, Elizabethtown, Benton, and Perryville

Pollen Index: 11.4 Pollen Level: high Predominant Pollen: Ragweed, Nettle and Grass. The pollen levels for Tuesday will remain relatively stable in the extremely high range. The pollen producing plants are delivering a fairly constant level of pollen into the air.