A slight improvement in the weather forecast for today's launch of a Falcon 9 on a cargo delivery mission to the space station. US Air Force meteorologists are now predicting a 60% chance weather will prohibit liftoff. More details: https://t.co/vvymGzT6bp pic.twitter.com/IIYb6f03f2

— Spaceflight Now (@SpaceflightNow) July 25, 2019