NASA Delays Artemis II Moon Launch Due to Rare Arctic Outbreak in Florida

The wet dress rehearsal for the crewed mission is now scheduled for no earlier than February 2nd.

Jan. 30, 2026 at 10:15pm

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NASA has delayed the wet dress rehearsal for its Artemis II moon launch due to a rare arctic outbreak affecting Florida. The rehearsal, originally scheduled for January 30th, is now set to take place no earlier than February 2nd as engineers monitor the cold weather and winds moving through the state. The Artemis II mission will send four astronauts, including a Canadian, around the Moon, bringing humans closer to the lunar surface than in over 50 years.

Why it matters

The Artemis II mission is a critical step in NASA's Artemis program to return humans to the Moon. The wet dress rehearsal is a key pre-launch test to ensure all systems are functioning properly before the actual crewed launch. Delaying this test due to extreme weather conditions highlights the challenges of spaceflight operations and the need for NASA to be vigilant about safety, especially after the Challenger disaster which was exacerbated by cold weather.

The details

NASA said it will wait to set an official date for the Artemis II launch until after the wet dress rehearsal can be completed. The four astronauts scheduled for the mission - Reid Wiseman, Victor Glover, Christina Koch, and Canadian Jeremy Hansen - remain in quarantine in Houston as the agency monitors the weather in Florida.

  • The wet dress rehearsal was originally scheduled for January 30, 2026.
  • The wet dress rehearsal is now scheduled for no earlier than February 2, 2026.
  • The earliest possible date for the Artemis II launch would be February 8, 2026.

The players

NASA

The National Aeronautics and Space Administration, the independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and space research.

Reid Wiseman

One of the four NASA astronauts scheduled to fly on the Artemis II mission around the Moon.

Victor Glover

One of the four NASA astronauts scheduled to fly on the Artemis II mission around the Moon.

Christina Koch

One of the four NASA astronauts scheduled to fly on the Artemis II mission around the Moon.

Jeremy Hansen

A Canadian Space Agency astronaut scheduled to fly on the Artemis II mission around the Moon.

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What they’re saying

“Over the past several days, engineers have been closely monitoring conditions as cold weather and winds move through Florida. Managers have assessed hardware capabilities against the projected forecast given the rare arctic outbreak affecting the state and decided to change the timeline.”

— NASA (nypost.com)

What’s next

NASA will continue monitoring weather conditions leading up to the rescheduled wet dress rehearsal, which must be successfully completed before an official launch date for the Artemis II mission can be set.

The takeaway

The delay of the Artemis II wet dress rehearsal due to extreme weather in Florida underscores the challenges of spaceflight operations and the need for NASA to prioritize safety, especially after past disasters like the Challenger explosion that were exacerbated by cold conditions. However, the mission remains on track to bring humans closer to the Moon than in over 50 years, a major milestone for the Artemis program.