065
WWUS74 KSHV 210529
NPWSHV

URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
1229 AM CDT Fri Aug 21 2026

ARZ072-073-LAZ001>006-010>014-017>022-TXZ124>126-136>138-149>153-
165>167-211900-
/O.UPG.KSHV.HT.Y.0010.000000T0000Z-260822T0200Z/
/O.NEW.KSHV.XH.W.0004.260821T1500Z-260822T0200Z/
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-
Rusk-Panola-Nacogdoches-Shelby-Angelina-San Augustine-Sabine-
Including the cities of Bossier City, San Augustine, Bernice,
Gibsland, Quitman, Gilmer, Clarks, Mansfield, Colfax, Montgomery,
Center, Logansport, Martin, Winnfield, Monroe, Natchitoches,
Marshall, Shreveport, Minden, Big Sandy, Carthage, Ringgold,
Springhill, Many, Tyler, Hemphill, Haynesville, El Dorado, Jonesboro,
Nacogdoches, Columbia, Pleasant Hill, Olla, Winnsboro, Lufkin,
Midway, Coushatta, Grayson, Hawkins, Magnolia, Longview, Arcadia,
Stonewall, Jena, Zwolle, Pineland, Mineola, Farmerville,
Jacksonville, Homer, Dry Prong, Jefferson, Ruston, Henderson, and
Rusk
1229 AM CDT Fri Aug 21 2026

...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 9 PM CDT
THIS EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 114
  degrees expected.

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

* WHEN...From 10 AM this morning to 9 PM CDT this evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

&&

$$

ARZ050-051-059>061-070-071-OKZ077-TXZ096-097-108>112-211900-
/O.CON.KSHV.HT.Y.0010.000000T0000Z-260822T0200Z/
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
McCurtain-Red River-Bowie-Franklin-Titus-Camp-Morris-Cass-
Including the cities of Mount Vernon, Hughes Springs, De Queen,
Clarksville, Idabel, Lone Star, Bogata, Prescott, Naples, Mineral
Springs, Queen City, Daingerfield, Mount Pleasant, Lewisville,
Dierks, Stamps, Bradley, Broken Bow, Ashdown, Omaha, Nashville, Hope,
Atlanta, Linden, Pittsburg, and Texarkana
1229 AM CDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...Heat index values up to 110 degrees.

* WHERE...Portions of southwest Arkansas, southeast Oklahoma, and
  northeast Texas.

* WHEN...Until 9 PM CDT this evening.

* 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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