2 products issued by NWS for: Boonville IN
Extreme Heat Warning
URGENT - WEATHER MESSAGE National Weather Service Paducah KY 838 AM CDT Mon Jul 20 2026 ILZ083-INZ085>088-KYZ018>020-210900- /O.NEW.KPAH.XH.W.0002.260721T1600Z-260722T0000Z/ White-Posey-Vanderburgh-Warrick-Spencer-Henderson-Daviess-McLean- Including the cities of Rockport, Evansville, Poseyville, Boonville, Owensboro, Calhoun, Carmi, and Henderson 838 AM CDT Mon Jul 20 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values of 110 to 116 expected. * WHERE...In Illinois, White County. In Indiana, Posey, Spencer, Vanderburgh, and Warrick Counties. In Kentucky, Daviess, Henderson, and McLean Counties. * WHEN...From 11 AM to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. && $$
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Paducah KY 123 AM CDT Mon Jul 20 2026 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-210630- Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton- White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope- Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh- Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves- Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell- Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean- Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter- Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid- 123 AM CDT Mon Jul 20 2026 /223 AM EDT Mon Jul 20 2026/ This Hazardous Weather Outlook is for portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. .DAY ONE...Today and Tonight A Heat Advisory is in effect through Tuesday evening for most of the Quad State area. Refer to the statement for more details. Isolated to widely scattered thunderstorms are possible this afternoon. Brief heavy downpours and lightning will be the primary concerns. .DAYS TWO THROUGH SEVEN...tuesday through Sunday A Heat Advisory is in effect through Tuesday evening for most of the Quad State area. Refer to the statement for more details. Strong to severe thunderstorms are possible Tuesday. The main threats will be damaging winds, localized flash flooding and large hail. Wildfire smoke may lead to poor air quality at times through the upcoming week. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any severe weather to the National Weather Service if storms develop Tuesday. $$