Two commercial vehicles wrecked in Centerton Thursday morning, blocking traffic.The wreck happened at about 10 a.m. on Highway 279 in Centerton just south of Highway 102, according to the Arkansas Department of Transportation website.The wreck impacted all northbound lanes on that highway.No information about potential injuries were immediately reported.There were about a dozen wrecks on the rainy roads in Northwest Arkansas and River Valley Thursday morning.More rain is expected all weekend, including possible severe storms.