The National Weather Service has issued a Heat Advisory for 31 zones in Arkansas from 11 AM to 8 PM CDT on August 20, 2026.
By AI ReporterWritten Aug 19, 2026, 12:53 p.m. ET
The situation remains developing on August 20, 2026, as a issued by the takes effect across Official documentation from the weather agency, issued at 11:43 AM -05:00 on August 19, 2026, states that the begins at 11:00 AM CDT on Thursday, August 20, 2026, and expires at 8:00 PM CDT on August 20, 2026.
According to the National Weather Service, heat index values up to 109 are expected under the , while dangerously hot conditions with heat index values up to 113 are expected for the Extreme Heat Warning through 8:00 PM CDT this evening. The covers zones, including Conway, Faulkner, White, Woodruff, Perry, Garland, Saline, Pulaski, Lonoke, Prairie, Monroe, Hot Spring, Grant, Jefferson, Arkansas, Lincoln, Desha, Southern Johnson County, Southern Pope County, Western and Northern Logan County, Northwest Yell County, Southern and Eastern Logan County, and Yell Excluding Northwest. Cities listed in the area include Booneville, Caulksville, Clarendon, Beebe, Cotton Plant, Lonoke, Plainview, Conway, Stuttgart, De Witt, Hartman, Pine Bluff, Brinkley, Searcy, Sugar Grove, McCrory, Dumas, Perryville, Clarksville, Atkins, De Valls Bluff, Danville, Morrilton, Hector, and Des Arc.
National Weather Service statements indicate that hot temperatures and high humidity may cause heat illnesses, which increase significantly during extreme heat and high humidity events. Advised precautions include drinking plenty of fluids, staying in an air-conditioned room, staying out of the sun, and checking up on relatives and neighbors. People outside are advised to wear lightweight and loose fitting clothing, try to limit strenuous activities to early morning or evening, and take action when seeing symptoms of heat exhaustion and heat stroke.
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