Heat Index Near 100°F Expected Today
A Special Weather Statement has been issued for parts of Missouri, Illinois, and Kentucky, warning of heat index values near 100°F today, October 13, 2026, with residents advised to stay hydrated and seek shade.
Residents across a wide area of southeast Missouri, southwest Illinois, and far western Kentucky should prepare for dangerously high heat index values this afternoon. The National Weather Service (NWS) in Paducah, KY has issued a Special Weather Statement indicating that record-high temperatures combined with elevated humidity will result in heat index values reaching the upper 90s to near 100 degrees.
This advisory is effective today, October 13, 2026, from 4:23 AM CDT and expires at 5:00 PM CDT. The affected counties include Jefferson, Wayne, Perry, Franklin, Hamilton, Jackson, Williamson, Saline, Union, Johnson, Pope, Alexander, Pulaski, Massac in Illinois; Fulton, Hickman, Carlisle, Ballard, McCracken, Graves, Livingston, Marshall, Calloway in Kentucky; and Perry, Bollinger, Cape Girardeau, Wayne, Carter, Ripley, Butler, Stoddard, Scott, Mississippi, New Madrid in Missouri.
Those planning extended outdoor activities are urged to take heat safety measures. This includes staying hydrated by drinking plenty of water and taking frequent breaks in shaded or air-conditioned locations. The NWS emphasizes the importance of these precautions to prevent heat-related illnesses.
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