WWUS54 KOUN 182328 SVSOUN Severe Weather Statement National Weather Service Norman OK 628 PM CDT Mon May 18 2026 OKC009-039-129-149-182338- /O.EXP.KOUN.SV.W.0452.000000T0000Z-260518T2330Z/ Washita OK-Roger Mills OK-Custer OK-Beckham OK- 628 PM CDT Mon May 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WASHITA... SOUTHEASTERN ROGER MILLS...SOUTHWESTERN CUSTER AND NORTHEASTERN BECKHAM COUNTIES WILL EXPIRE AT 630 PM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However, small hail and gusty winds are still possible with this thunderstorm. LAT...LON 3536 9915 3547 9947 3567 9945 3567 9898 TIME...MOT...LOC 2328Z 207DEG 29KT 3560 9930 $$ MDU