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Severe Thunderstorm Watch — Acadia County, LA, Allen County, LA, Avoyelles County, LA, Beauregard County, LA, Bienville County, LA, Calcasieu County, LA, Caldwell County, LA, De Soto County, LA, Evangeline County, LA, Grant County, LA, Jackson County, LA, Jefferson Davis County, LA, Lafayette County, LA, La Salle County, LA, Natchitoches County, LA, Rapides County, LA, Red River County, LA, Sabine County, LA, St. Landry County, LA, Vernon County, LA, Winn County, LA, Angelina County, TX, Jasper County, TX, Nacogdoches County, TX, Newton County, TX, Panola County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, Shelby County, TX, Tyler County, TX
Issued
3:25 PM CDT · Fri, Aug 21 2026
Expires
9:00 PM CDT · Fri, Aug 21 2026
Issuing Office
NWS KWNS

Affected Areas

Acadia County, LA Allen County, LA Avoyelles County, LA Beauregard County, LA Bienville County, LA Calcasieu County, LA Caldwell County, LA De Soto County, LA Evangeline County, LA Grant County, LA Jackson County, LA Jefferson Davis County, LA Lafayette County, LA La Salle County, LA Natchitoches County, LA Rapides County, LA Red River County, LA Sabine County, LA St. Landry County, LA Vernon County, LA Winn County, LA Angelina County, TX Jasper County, TX Nacogdoches County, TX Newton County, TX Panola County, TX Rusk County, TX Sabine County, TX San Augustine County, TX Shelby County, TX Tyler County, TX

Official Bulletin

648
WOUS64 KWNS 212026
WOU1

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 611
NWS STORM PREDICTION CENTER NORMAN OK
325 PM CDT FRI AUG 21 2026

SEVERE THUNDERSTORM WATCH 611 IS IN EFFECT UNTIL 900 PM CDT
FOR THE FOLLOWING LOCATIONS

LAC001-003-009-011-013-019-021-031-039-043-049-053-055-059-069-079-081-085-097-115-127-220200-
/O.NEW.KWNS.SV.A.0611.260821T2025Z-260822T0200Z/

LA
.    LOUISIANA PARISHES INCLUDED ARE

ACADIA               ALLEN               AVOYELLES
BEAUREGARD           BIENVILLE           CALCASIEU
CALDWELL             DE SOTO             EVANGELINE
GRANT                JACKSON             JEFFERSON DAVIS
LAFAYETTE            LA SALLE            NATCHITOCHES
RAPIDES              RED RIVER           SABINE
ST. LANDRY           VERNON              WINN
$$

TXC005-241-347-351-365-401-403-405-419-457-220200-
/O.NEW.KWNS.SV.A.0611.260821T2025Z-260822T0200Z/

TX
.    TEXAS COUNTIES INCLUDED ARE

ANGELINA             JASPER              NACOGDOCHES
NEWTON               PANOLA              RUSK
SABINE               SAN AUGUSTINE       SHELBY
TYLER
$$

ATTN...WFO...LCH...SHV...