326 WUUS54 KTSA 171601 SVRTSA ARC033-047-087-131-143-OKC135-171645- /O.NEW.KTSA.SV.W.0353.260817T1601Z-260817T1645Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tulsa OK 1101 AM CDT Mon Aug 17 2026 The National Weather Service in Tulsa has issued a * Severe Thunderstorm Warning for... Southwestern Madison County in northwestern Arkansas... Franklin County in west central Arkansas... Crawford County in northwestern Arkansas... Northern Sebastian County in west central Arkansas... Southern Washington County in northwestern Arkansas... Northeastern Sequoyah County in east central Oklahoma... * Until 1145 AM CDT. * At 1101 AM CDT, severe thunderstorms were located along a line extending from Strickler to 4 miles north of Lake Fort Smith to 3 miles southeast of Mulberry to 3 miles southwest of Bloomer, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations in or near the path include... Fort Smith... Van Buren... Ozark... Charleston... Cedarville... Mountainburg... Natural Dam... Greenwood... Alma... Barling... Lavaca... Mulberry... Dyer... Hackett... Altus... Bonanza... Winslow... Branch... Denning... Chester... This includes the following highways, Interstate 40 in Arkansas between mile markers 0 and 42. Interstate 40 in Oklahoma near mile marker 328. Interstate 540 between mile markers 1 and 14. Interstate 49 between mile markers 22 and 49. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3577 9364 3577 9370 3538 9371 3537 9375 3542 9380 3531 9381 3532 9392 3523 9392 3523 9402 3518 9403 3518 9444 3538 9443 3537 9444 3538 9446 3564 9449 3565 9447 3589 9451 3586 9364 TIME...MOT...LOC 1601Z 269DEG 36KT 3584 9432 3573 9412 3547 9404 3526 9417 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$  925 WUUS54 KLZK 171610 SVRLZK ARC071-083-149-171700- /O.NEW.KLZK.SV.W.0266.260817T1610Z-260817T1700Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Little Rock AR 1110 AM CDT Mon Aug 17 2026 The National Weather Service in Little Rock has issued a * Severe Thunderstorm Warning for... Central Logan County in western Arkansas... Johnson County in western Arkansas... North central Yell County in central Arkansas... * Until noon CDT. * At 1109 AM CDT, severe thunderstorms were located along a line extending from near Fern to near Charleston, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Clarksville... Paris... Lamar... Knoxville... Subiaco... Hartman... Scranton... Ratcliff... Woodland... Hinkle... Devils Knob... Hoyt... Mount Magazine... Midway in Logan County... Spadra... Tokalon... Lake Dardanelle... Coal Hill... Caulksville... Morrison Bluff... PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3523 9403 3523 9392 3532 9391 3532 9381 3543 9381 3540 9379 3536 9375 3538 9371 3577 9369 3576 9352 3573 9351 3573 9336 3516 9340 3518 9403 TIME...MOT...LOC 1609Z 272DEG 35KT 3564 9397 3527 9402 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 67  494 WWUS54 KTSA 171613 SVSTSA Severe Weather Statement National Weather Service Tulsa OK 1113 AM CDT Mon Aug 17 2026 OKC135-171623- /O.CAN.KTSA.SV.W.0353.000000T0000Z-260817T1645Z/ Sequoyah OK- 1113 AM CDT Mon Aug 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SEQUOYAH COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 3577 9364 3577 9370 3538 9371 3537 9375 3542 9380 3531 9381 3532 9392 3523 9392 3523 9402 3518 9403 3518 9433 3551 9434 3565 9447 3589 9451 3586 9364 TIME...MOT...LOC 1613Z 269DEG 36KT 3584 9420 3573 9400 3547 9392 3526 9405 $$ ARC033-047-087-131-143-171645- /O.CON.KTSA.SV.W.0353.000000T0000Z-260817T1645Z/ Madison AR-Franklin AR-Crawford AR-Sebastian AR-Washington AR- 1113 AM CDT Mon Aug 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR SOUTHWESTERN MADISON...FRANKLIN...CRAWFORD...NORTHEASTERN SEBASTIAN AND SOUTHERN WASHINGTON COUNTIES... At 1113 AM CDT, severe thunderstorms were located along a line extending from 2 miles northeast of Blackburn to 6 miles north of Fern to 4 miles southwest of Ozark to 2 miles south of Charleston, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations in or near the path include... Fort Smith... Van Buren... Ozark... Charleston... Cedarville... Mountainburg... Natural Dam... Greenwood... Alma... Barling... Lavaca... Mulberry... Dyer... Altus... Winslow... Branch... Denning... Chester... St. Paul... Rudy... This includes the following highways, Interstate 40 in Arkansas between mile markers 6 and 42. Interstate 540 between mile markers 1 and 3. Interstate 49 between mile markers 22 and 49. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3577 9364 3577 9370 3538 9371 3537 9375 3542 9380 3531 9381 3532 9392 3523 9392 3523 9402 3518 9403 3518 9433 3551 9434 3565 9447 3589 9451 3586 9364 TIME...MOT...LOC 1613Z 269DEG 36KT 3584 9420 3573 9400 3547 9392 3526 9405 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$  378 WWUS54 KTSA 171626 SVSTSA Severe Weather Statement National Weather Service Tulsa OK 1126 AM CDT Mon Aug 17 2026 ARC033-047-087-131-143-171645- /O.CON.KTSA.SV.W.0353.000000T0000Z-260817T1645Z/ Madison AR-Franklin AR-Crawford AR-Sebastian AR-Washington AR- 1126 AM CDT Mon Aug 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR SOUTHWESTERN MADISON...FRANKLIN...CRAWFORD...NORTHEASTERN SEBASTIAN AND SOUTHEASTERN WASHINGTON COUNTIES... At 1126 AM CDT, severe thunderstorms were located along a line extending from 2 miles southeast of Brentwood to 3 miles northwest of Cass to near Wiederkehr Village to 4 miles southwest of Denning, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. At 1050 AM, tree damage was reported in Natural Dam. IMPACT...Expect damage to roofs, siding, and trees. Locations in or near the path include... Ozark... Cedarville... Mountainburg... Alma... Mulberry... Dyer... Altus... Winslow... Branch... Denning... Chester... St. Paul... Rudy... Wiederkehr Village... Devils Den State Park... Brentwood... Lake Fort Smith... Strickler... Cass... Blackburn... This includes the following highways, Interstate 40 in Arkansas between mile markers 9 and 42. Interstate 49 between mile markers 22 and 49. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3577 9364 3577 9370 3538 9371 3537 9375 3542 9380 3531 9381 3532 9392 3533 9412 3551 9434 3589 9438 3586 9364 TIME...MOT...LOC 1626Z 268DEG 36KT 3584 9406 3573 9386 3547 9378 3537 9381 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$  733 WWUS54 KTSA 171634 SVSTSA Severe Weather Statement National Weather Service Tulsa OK 1134 AM CDT Mon Aug 17 2026 ARC087-131-171644- /O.CAN.KTSA.SV.W.0353.000000T0000Z-260817T1645Z/ Madison AR-Sebastian AR- 1134 AM CDT Mon Aug 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MADISON AND NORTHEASTERN SEBASTIAN COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 3538 9371 3537 9376 3542 9380 3531 9381 3532 9397 3544 9408 3550 9416 3571 9426 3585 9420 3580 9396 3576 9396 3576 9391 3577 9391 3577 9382 3575 9370 TIME...MOT...LOC 1634Z 273DEG 36KT 3574 9399 3571 9381 3548 9367 3536 9371 $$ ARC033-047-143-171645- /O.CON.KTSA.SV.W.0353.000000T0000Z-260817T1645Z/ Franklin AR-Crawford AR-Washington AR- 1134 AM CDT Mon Aug 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR FRANKLIN...EASTERN CRAWFORD AND SOUTHEASTERN WASHINGTON COUNTIES... At 1134 AM CDT, severe thunderstorms were located along a line extending from 7 miles north of Fern to near Cass to 4 miles northwest of Hartman to 4 miles north of Paris, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations in or near the path include... Ozark... Mountainburg... Mulberry... Dyer... Altus... Winslow... Branch... Denning... Chester... Wiederkehr Village... Cass... Lake Fort Smith... Fern... Jethro... Bidville... Turners Bend... Locke... Mount Gayler... Cecil... Lonelm... This includes the following highways, Interstate 40 in Arkansas between mile markers 17 and 42. Interstate 49 between mile markers 28 and 46. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3538 9371 3537 9376 3542 9380 3531 9381 3532 9397 3544 9408 3550 9416 3571 9426 3585 9420 3580 9396 3576 9396 3576 9391 3577 9391 3577 9382 3575 9370 TIME...MOT...LOC 1634Z 273DEG 36KT 3574 9399 3571 9381 3548 9367 3536 9371 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$  305 WWUS54 KLZK 171638 SVSLZK Severe Weather Statement National Weather Service Little Rock AR 1138 AM CDT Mon Aug 17 2026 ARC149-171647- /O.CAN.KLZK.SV.W.0266.000000T0000Z-260817T1700Z/ Yell AR- 1138 AM CDT Mon Aug 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL YELL COUNTY IS CANCELLED... The storms which prompted the warning have weakened. Therefore, the warning has been cancelled. Strong gusty winds of 40-50 mph are still possible over northern Yell County through the lunch hour. LAT...LON 3525 9372 3538 9371 3577 9369 3576 9352 3573 9351 3573 9336 3522 9340 TIME...MOT...LOC 1637Z 272DEG 35KT 3563 9366 3526 9372 $$ ARC071-083-171700- /O.CON.KLZK.SV.W.0266.000000T0000Z-260817T1700Z/ Logan AR-Johnson AR- 1138 AM CDT Mon Aug 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR NORTHEASTERN LOGAN AND JOHNSON COUNTIES... At 1137 AM CDT, severe thunderstorms were located along a line extending from 9 miles southeast of Cass to near Paris, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Clarksville... Paris... Lamar... Knoxville... Subiaco... Hartman... Scranton... Hinkle... Woodland... Devils Knob... Hoyt... Midway in Logan County... Spadra... Tokalon... Lake Dardanelle... Coal Hill... Morrison Bluff... Oak Grove in Johnson County... Catalpa... Yale... PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3525 9372 3538 9371 3577 9369 3576 9352 3573 9351 3573 9336 3522 9340 TIME...MOT...LOC 1637Z 272DEG 35KT 3563 9366 3526 9372 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Cavanaugh  937 WUUS54 KTSA 171644 SVRTSA ARC047-171730- /O.NEW.KTSA.SV.W.0354.260817T1644Z-260817T1730Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tulsa OK 1144 AM CDT Mon Aug 17 2026 The National Weather Service in Tulsa has issued a * Severe Thunderstorm Warning for... Northern Franklin County in west central Arkansas... * Until 1230 PM CDT. * At 1144 AM CDT, a severe thunderstorm was located 5 miles north of Ozark, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations in or near the path include... Ozark... Altus... Denning... Wiederkehr Village... Cass... Fern... Jethro... Alix... Barnes... Redding... Watalula... Toney... Turners Bend... Lonelm... Taft... Cravens... Paradise... This includes Interstate 40 in Arkansas between mile markers 24 and 42. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3541 9371 3551 9403 3555 9404 3556 9402 3557 9402 3558 9404 3566 9403 3566 9398 3570 9398 3570 9397 3571 9396 3573 9370 TIME...MOT...LOC 1644Z 268DEG 35KT 3558 9383 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$  277 WUUS54 KLZK 171655 SVRLZK ARC071-083-115-149-171745- /O.NEW.KLZK.SV.W.0267.260817T1655Z-260817T1745Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Little Rock AR 1155 AM CDT Mon Aug 17 2026 The National Weather Service in Little Rock has issued a * Severe Thunderstorm Warning for... Northeastern Logan County in western Arkansas... Johnson County in western Arkansas... Northeastern Yell County in central Arkansas... Pope County in central Arkansas... * Until 1245 PM CDT. * At 1155 AM CDT, a severe thunderstorm was located over Lamar, or near Clarksville, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Russellville... Clarksville... Paris... Dardanelle... Atkins... Pottsville... Lamar... Dover... London... Knoxville... Subiaco... Hartman... Hector... Scranton... Lake Dardanelle State Park... Hoyt... Midway in Logan County... Taral... Holman... Piney in Logan County... PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3571 9369 3564 9289 3518 9295 3525 9372 TIME...MOT...LOC 1655Z 280DEG 29KT 3545 9342 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Cavanaugh