The 3rd Weather Squadron (3 WS) is a unit of the United States Air Force. It was formed at Barksdale Field (now Barksdale Air Force Base), Louisiana, on 24 June 1937, as part of the Signal Corps. The 3rd was one of three original squadrons that eventually transferred from the Signal Corps to the Air Corps. Currently located at West Fort Hood, the 3rd Weather Squadron is aligned under the 3rd Air Support Operations Group.