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Heat Advisory — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX
Issued
—
Expires
8:00 PM CDT · Sun, Aug 16 2026
Issuing Office
NWS KSHV

Affected Areas

Sevier, AR Howard, AR Little River, AR Hempstead, AR Nevada, AR Miller, AR Lafayette, AR Columbia, AR Union, AR Caddo, LA Bossier, LA Webster, LA Claiborne, LA Lincoln, LA Union, LA De Soto, LA Red River, LA Bienville, LA Jackson, LA Ouachita, LA Sabine, LA Natchitoches, LA Winn, LA Grant, LA Caldwell, LA La Salle, LA McCurtain, OK Red River, TX Bowie, TX Franklin, TX Titus, TX Camp, TX Morris, TX Cass, TX Wood, TX Upshur, TX Marion, TX Smith, TX Gregg, TX Harrison, TX Cherokee, TX Rusk, TX Panola, TX Nacogdoches, TX Shelby, TX Angelina, TX San Augustine, TX Sabine, TX

Official Bulletin

409
WWUS74 KSHV 111733
NPWSHV

URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
1233 PM CDT Tue Aug 11 2026

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-097-108>112-124>126-136>138-149>153-165>167-121045-
/O.NEW.KSHV.HT.Y.0010.260811T1733Z-260815T0100Z/
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-McCurtain-Red River-Bowie-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-Sabine-
Including the cities of Winnfield, Magnolia, Mount Pleasant, Bradley,
Columbia, Bernice, El Dorado, Winnsboro, Many, Colfax, Midway, Hughes
Springs, Naples, Gilmer, Mineola, Longview, Daingerfield, Pittsburg,
Ashdown, Lufkin, Haynesville, Olla, Rusk, De Queen, Big Sandy,
Arcadia, Nashville, Mineral Springs, Stonewall, Bossier City, Clarks,
Clarksville, Hemphill, Texarkana, Atlanta, Pineland, Hope, Zwolle,
Ruston, Gibsland, Dry Prong, Montgomery, Linden, Nacogdoches,
Lewisville, Shreveport, Monroe, Broken Bow, Omaha, Minden, Quitman,
Grayson, Jacksonville, Center, Jena, San Augustine, Carthage,
Jonesboro, Martin, Pleasant Hill, Natchitoches, Ringgold, Queen City,
Prescott, Homer, Jefferson, Marshall, Tyler, Farmerville, Henderson,
Mount Vernon, Lone Star, Springhill, Hawkins, Bogata, Idabel, Stamps,
Dierks, Logansport, Mansfield, and Coushatta
1233 PM CDT Tue Aug 11 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

* WHAT...Heat index values from 105 to 109 degrees.

* WHERE...Portions of south central and southwest Arkansas, north
  central and northwest Louisiana, southeast Oklahoma, and east and
  northeast Texas.

* WHEN...Until 8 PM CDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

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, the Occupational Safety and
Health Administration recommends scheduling 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 9 1 1.

&&

$$

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