URGENT - WEATHER MESSAGE
National Weather Service Shreveport, LA
11:21 a.m. CDT Monday, July 27, 2026
HEAT ADVISORY NOW IN EFFECT UNTIL 8 P.M. CDT TUESDAY
Affected counties:
Sevier, Howard, Little River, Hempstead, Nevada, Miller, Lafayette, Columbia and Union counties in Arkansas; Caddo, Bossier, Webster, Claiborne, Lincoln, Union, De Soto, Red River, Bienville, Jackson, Ouachita, Sabine, Natchitoches, Winn, Grant, Caldwell and La Salle parishes in Louisiana; McCurtain County in Oklahoma; and Red River, Bowie, Franklin, Titus, Camp, Morris, Cass, Wood, Upshur, Marion, Smith, Gregg, Harrison, Cherokee, Rusk, Panola, Nacogdoches, Shelby, Angelina, San Augustine and Sabine counties in Texas.
Included cities:
Texarkana, Bernice, Jefferson, Haynesville, Bossier City, Zwolle, Clarks, Lewisville, Montgomery, Nacogdoches, Carthage, Olla, Springhill, El Dorado, Homer, Ruston, Coushatta, Mount Pleasant, Queen City, Hawkins, Pleasant Hill, Ashdown, Bradley, Jena, Marshall, Columbia, Natchitoches, Stonewall, Idabel, Ringgold, Grayson, Naples, Gibsland, Stamps, Winnsboro, Jacksonville, Mineral Springs, Arcadia, Jonesboro, Shreveport, Nashville, Dry Prong, Colfax, Rusk, Dierks, Bogata, Magnolia, Logansport, Omaha, Longview, Lufkin, Broken Bow, Linden, Hemphill, Atlanta, Martin, Monroe, Quitman, Pittsburg, Hope, Lone Star, Daingerfield, Pineland, Minden, Mansfield, Mineola, Henderson, Midway, Prescott, Many, Center, Mount Vernon, San Augustine, Winnfield, Hughes Springs, Gilmer, Big Sandy, De Queen, Farmerville, Tyler and Clarksville.
WHAT: Heat index values up 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 p.m. CDT Tuesday.
IMPACTS: Hot temperatures and high humidity may cause heat-related illnesses.
Precautionary/Preparedness Actions
Drink plenty of fluids.
Stay in an air-conditioned room.
Stay out of the sun.
Check on relatives and neighbors.
Take extra precautions when outside.
Wear lightweight, loose-fitting clothing.
Limit strenuous activities to the early morning or evening hours.
Take immediate action if you notice symptoms of heat exhaustion or heat stroke.