Extreme Heat Warning Issued for Parts of MS, AR, LA
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An Extreme Heat Warning is in effect from 8 AM to 9 PM CDT August 19 for portions of west central and southwest Mississippi, southeast Arkansas, and northeast Louisiana, with heat index values up to 115 expected.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Southeast Arkansas, Northeast Louisiana, West Central and Southwest Mississippi
- Issued
- August 19, 2026
- Issuing authority
- NWS Jackson MS
Heat notices are time-bound and location-specific. Confirm the current forecast and local public-health guidance before relying on this archived record.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Extreme Heat Warning issued by NWS Jackson MS. Effective from August 19 at 3:12 AM CDT until August 19 at 9 PM CDT. Severity: Severe. Certainty: Likely. Urgency: Expected.
Affected Areas
Portions of west central and southwest Mississippi, southeast Arkansas, and northeast Louisiana, including the following counties: Chicot, West Carroll, East Carroll, Madison, Catahoula, Tensas, Concordia, Bolivar, Sunflower, Leflore, Washington, Humphreys, Holmes, Issaquena, Sharkey, Yazoo, Warren, Hinds, Claiborne, Jefferson, Adams, and Franklin.
What You Should Do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, schedule frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 911.
Expected Conditions
Dangerously hot conditions with heat index values up to 115 expected.
Timeline
Onset at 8 AM CDT August 19. Expires at 12 PM CDT August 19. Ends at 9 PM CDT August 19.
Original source: NOAA Official Notice ↗
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