The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwest Arkansas Southeast Oklahoma Northeast Texas * Effective this Saturday night and Sunday morning from 640 PM until 200 AM CST. * Primary threats include... Scattered large hail likely with isolated very large hail events to 2.5 inches in diameter possible Scattered damaging wind gusts to 65 mph possible SUMMARY...Thunderstorms forming over southeast Oklahoma will track east-southeastward through the evening, posing a risk of large hail and perhaps damaging wind gusts. The severe thunderstorm watch area is approximately along and 50 statute miles north and south of a line from 40 miles southwest of Mcalester OK to 45 miles northeast of El Dorado AR.