NWS Shreveport Warns Heat-Related Illnesses Increase Significantly During Extreme Heat
Official records warn of significant risks from extreme heat and high humidity across three states on August 20, 2026.
2 reports on this incident · first at Aug 20, 2026, 1:53 a.m. ET
Hazard products are revised and cancelled as conditions change. Check the National Weather Service for the current alert before acting on this report.
We last searched for new coverage of this at Aug 20, 2026, 1:41 a.m. ET — checked 2h ago.
Earlier reports
Aug 20, 2026, 1:53 a.m. ETFirst report
NWS Shreveport Issues Extreme Heat Warning Across Three States
The situation is developing on August 20, 2026, as the National Weather Service Shreveport LA issued an Extreme Heat Warning for portions of southwest Arkansas, southeast Oklahoma, and northeast Texas. The warning begins at 10:00 AM CDT and expires at 8:00 PM CDT this evening.
According to the official warning, dangerously hot conditions with heat index values up to 113 degrees are expected across 16 zones. The affected areas include Sevier, Howard, Little River, Hempstead, Nevada, Miller, Lafayette, Columbia, McCurtain, Red River, Bowie, Franklin, Titus, Camp, Morris, and Cass counties. Cities covered by the alert include Texarkana, Hope, Idabel, Magnolia, De Queen, and Mount Pleasant.
The issuing office stated that heat-related illnesses increase significantly during extreme heat and high humidity events. Advised precautions include drinking plenty of fluids, remaining in air-conditioned rooms, staying out of the sun, and checking on relatives and neighbors. Official guidance warns that car interiors can reach lethal temperatures in minutes and mandates never leaving young children or pets in unattended vehicles. The Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments during outdoor work, and notes that heat stroke is an emergency requiring a call to 9 1 1.
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Revision history
- Version 120 Aug 2026, 06:24current
First published.
- Version 120 Aug 2026, 05:53current
First published.
- Version 120 Aug 2026, 06:54
First published.
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