Systems and methods for collecting weather information for selected airspace regions are provided. In one embodiment, a method for collecting weather information for selected airspace regions comprises: receiving aircraft position information for a plurality of aircraft; forming an aircraft weather group based on flight path attributes derived from the aircraft position information; selecting at least a first representative aircraft from the weather group; and receiving at a weather information ground station, weather data from one or more representative aircraft of the aircraft weather group, wherein only the one or more representative aircraft transmit weather information to the weather information ground station from the aircraft weather group.