The Department of Defense, specifically the Department of the Air Force, is seeking sources for the procurement of advanced weather sensors as part of the Fixed Base Weather Systems (FBWS) program. This Request for Information (RFI) aims to identify commercial off-the-shelf (COTS) products that can enhance existing weather sensor capabilities, particularly in differentiating hydrometeors, lithometeors, and aerosols, while improving horizontal and vertical range for better atmospheric microphysics insights. The selected products will play a crucial role in advancing weather monitoring and forecasting capabilities. Interested parties must submit their responses, including company information and relevant experience, by October 2025, and can direct inquiries to Capt Christopher Thier at christopher.thier@us.af.mil or Brett Maguire at brett.maguire@us.af.mil.