991 WWUS73 KPAH 100550 NPWPAH URGENT - WEATHER MESSAGE National Weather Service Paducah KY 1250 AM CDT Mon Aug 10 2026 ILZ080-102100- /O.UPG.KPAH.HT.Y.0008.000000T0000Z-260813T0100Z/ /O.NEW.KPAH.XH.W.0005.260810T0550Z-260814T0100Z/ Perry IL- Including the cities of Pinckneyville 1250 AM CDT Mon Aug 10 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values of 107 to 113 degrees. * WHERE...Perry IL County. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Heat index values will remain elevated near 100 degrees Friday into next weekend. 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. && $$ ILZ075>078-081>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-100-107>112-114-102100- /O.EXT.KPAH.HT.Y.0008.000000T0000Z-260814T0100Z/ Jefferson-Wayne IL-Edwards-Wabash-Franklin-Hamilton-White-Jackson- Williamson-Saline-Gallatin-Union-Johnson-Pope-Hardin-Alexander- Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-Warrick-Spencer-Fulton- Hickman-Carlisle-Ballard-McCracken-Graves-Livingston-Marshall- Calloway-Crittenden-Lyon-Trigg-Caldwell-Union KY-Webster-Hopkins- Christian-Henderson-Daviess-McLean-Muhlenberg-Todd-Perry MO- Bollinger-Cape Girardeau-Wayne MO-Carter-Ripley-Butler-Stoddard- Scott-Mississippi-New Madrid- Including the cities of Greenville, Petersburg, Van Buren, West Frankfort, Fort Branch, Cairo, Clinton, Madisonville, Jonesboro, Henderson, Owensboro, Smithland, Marble Hill, Sikeston, Golconda, Bloomfield, Evansville, Carbondale, Metropolis, Princeton, Cape Girardeau, Eddyville, Jackson, Fairfield, Boonville, Murphysboro, Harrisburg, Shawneetown, Bardwell, Marion, Elkton, Vienna, Elizabethtown, Carmi, Cadiz, Dixon, Mound City, Poplar Bluff, Hickman, Albion, Rockport, Wickliffe, Perryville, Doniphan, Calhoun, Piedmont, Poseyville, Paducah, Morganfield, McLeansboro, Herrin, Benton, Mount Vernon, Mayfield, New Madrid, Charleston, Hopkinsville, Mount Carmel, and Murray 1250 AM CDT Mon Aug 10 2026 /150 AM EDT Mon Aug 10 2026/ ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT /9 PM EDT/ THURSDAY... * WHAT...Heat index values of 103 to 109 degrees. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...Until 8 PM CDT /9 PM EDT/ Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat index values will remain elevated near 100 degrees Friday into next weekend. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ DW