NWS Paducah KYXH.W 0002July 20, 2026
Extreme Heat Warning: Jefferson, Perry, Franklin and 42 more, IL and KY
The National Weather Service office in Paducah issued an extreme heat warning for Jefferson, Perry, Franklin and 42 more in Illinois, Kentucky, Missouri, which was in force until 7:00 p.m. local time on July 21. It was the 2nd extreme heat warning the NWS office in Paducah issued in 2026. Illinois had 6 extreme heat warnings in July 2026, against 3 in an average July of 2008-2025 (Illinois's extreme heat warnings by year).
ExpiredWarning
In force for 8 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Paducah KY
- Area
- Jefferson, Perry, Franklin and 42 more
- State
- Illinois
- Level
- Warning
- Issued
- 8:38 a.m. CDT, July 20, 2026
- In force from
- 11:00 a.m. CDT, July 21, 2026
- Expires
- 7:00 p.m. CDT, July 21, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KPAH XH.W 0002
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* 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.
What the agency told people to do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.