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Artemis II Launch Weather Holds at 80% Go as Winds and Clouds Draw Scrutiny

Real-time checks on wind and cloud rules will decide if the crew flies.

Overview

  • The forecast remains 80% favorable for the scheduled evening liftoff, with teams tracking winds and clouds in real time.
  • Surface gusts near the pad are forecast around 23 to 25 mph near launch, which is below NASA’s wind cutoffs of roughly 33 to 45 mph.
  • Cumulus clouds within 10 miles of Launch Complex 39B would halt the count because they can grow into lightning storms.
  • A daily seabreeze often builds afternoon showers that move inland by evening, a pattern that tends to leave the Atlantic launch corridor clearer.
  • If NASA pushes to the next day, forecasters peg the chance of acceptable weather at about 75%.