Weather Alerts For Cave in Rock, IL

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM CDT /NOON EDT/ TUESDAY TO 7 PM CDT /8 PM EDT/ WEDNESDAY # DETAILS -------------------- WHAT Peak daily Heat Index values near 100 up to around 105 degrees expected. WHERE All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. WHEN From 11 AM CDT /noon EDT/ Tuesday to 7 PM CDT /8 PM EDT/ Wednesday. IMPACTS Hot temperatures and high humidity may cause heat illnesses. ISSUED AT Monday, September 14, 2026 at 11:22 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, Daviess, Lyon, Spencer, Wayne MO, White, Ballard, Bollinger, Caldwell, Calloway, Cape Girardeau, Christian, Crittenden, Edwards, Franklin, Gallatin, Gibson, Hamilton, Hardin, Henderson, Hopkins, Jackson, Jefferson, Johnson, Livingston, Marshall, Massac, McCracken, McLean, Muhlenberg, Perry IL, Perry MO, Pike, Pope, Posey, Pulaski, Saline, Todd, Trigg, Union, Union KY, Vanderburgh, Wabash, Warrick, Wayne IL, Webster, Williamson Including the cities of Perryville, Poseyville, Harrisburg, Princeton, Boonville, Dixon, Evansville, Paducah, Elizabethtown, Metropolis, Fairfield, Murphysboro, Owensboro, Marion, Henderson, Jackson, Albion, Vienna, Wickliffe, Calhoun, Elkton, Greenville, Cadiz, Mount Carmel, Shawneetown, Mount Vernon, Herrin, Cairo, Mound City, Murray, Piedmont, Marble Hill, Carbondale, McLeansboro, Smithland, Benton, Morganfield, Madisonville, Hopkinsville, Petersburg, Golconda, West Frankfort, Cape Girardeau, Eddyville, Carmi, Jonesboro, Rockport, Pinckneyville, and Fort Branch

Pollen Index: 10.1 Pollen Level: high Predominant Pollen: Ragweed and Grass. The pollen levels for Tuesday will remain relatively stable in the very high range. The pollen producing plants are delivering a fairly constant level of pollen into the air.