URGENT - WEATHER MESSAGE
National Weather Service Paducah KY
838 AM CDT Mon Jul 20 2026

ILZ075-080>082-084>094-KYZ001>017-021-022-MOZ076-086-087-100-107>112-
114-210900-
/O.NEW.KPAH.XH.W.0002.260721T1600Z-260722T0000Z/
/O.EXT.KPAH.HT.Y.0004.000000T0000Z-260721T1600Z/
Jefferson-Perry IL-Franklin-Hamilton-Jackson-Williamson-Saline-
Gallatin-Union-Johnson-Pope-Hardin-Alexander-Pulaski-Massac-Fulton-
Hickman-Carlisle-Ballard-McCracken-Graves-Livingston-Marshall-
Calloway-Crittenden-Lyon-Trigg-Caldwell-Union KY-Webster-Hopkins-
Christian-Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-
Carter-Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
Including the cities of Marion, Cairo, Jackson, Shawneetown,
Metropolis, Murray, Morganfield, Harrisburg, Smithland, Carbondale,
Cape Girardeau, Herrin, Mount Vernon, Pinckneyville, Elkton, New
Madrid, Eddyville, Dixon, Jonesboro, Wickliffe, Mound City,
Madisonville, Hickman, Poplar Bluff, Piedmont, Golconda, Murphysboro,
Mayfield, Bardwell, Marble Hill, Perryville, Van Buren, Doniphan,
Charleston, Clinton, Paducah, West Frankfort, Elizabethtown, Cadiz,
McLeansboro, Hopkinsville, Greenville, Bloomfield, Princeton,
Sikeston, Vienna, and Benton
838 AM CDT Mon Jul 20 2026

...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY...
...HEAT ADVISORY NOW IN EFFECT UNTIL 11 AM CDT TUESDAY...

* WHAT...For the Heat Advisory, heat index values of 100 to 106. For
  the Extreme Heat Warning, dangerously hot conditions with heat
  index values of 110 to 116.

* WHERE...Portions of southern Illinois, western Kentucky, and
  southeast Missouri.

* WHEN...For the Heat Advisory, until 11 AM CDT Tuesday. For the
  Extreme Heat Warning, from 11 AM to 7 PM CDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity may cause heat illnesses.

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.