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CAPE CANAVERAL, Fla. — It looks like Mother Nature may cooperate for NASA’s historic Artemis 1 megarocket launch to the moon on Monday (Aug. 29).
The weather outlook has improved for the planned Artemis 1 launch at 8:33 a.m. EDT (1233 GMT) on Monday from Pad 39B here at NASA’s Kennedy Space Center. Forecasters are predicting a promising 80% chance of good liftoff conditions, up from 70% yesterday, officials said. You can watch the launch live online Monday starting at at 6:30 a.m. EDT (1030 GMT).
Melody Lovin, weather officer with U.S. Space Force’s Space Launch 45 group, said the best weather for Artemis 1 is at the start of its two-hour window. As the morning wears on, there is a higher chance of rainy weather, she said in a NASA briefing today. By the window’s end at 10:33 a.m. EDT (1433 GMT), the chances of good weather drop to 60%.
Related: NASA’s Artemis 1 moon mission: Live updates
More: 10 wild facts about the Artemis 1 moon mission
“As we move forward in time through the two-hour launch window, we just have a better chance of some of those offshore showers and thunderstorms even closer to the coastline,” Lovin told reporters.
Artemis 1 is NASA’s first test flight of its Space Launch System (SLS) moon rocket and its Orion spacecraft. The uncrewed mission will send a sensor-laden Orion capsule on a 42-day shakedown cruise around the moon to verify that that both vehicles are ready to fly astronauts into deep space.
If all goes well, NASA will launch four astronauts around the moon in 2024 on the Artemis 2 mission. That mission will set the stage for Artemis 3, the first crewed lunar landing, in 2025.
So far, the SLS rocket and Orion are in good shape and facing no technical issues for launch, Jeff Spaulding, NASA’s Artemis 1 senior test director, said in the update today. Even a series of lightning strikes at the Artemis 1 launch pad Saturday, five of them in all, weren’t strong enough to post a concern for launch, he said.
About the only thing engineers are watching is a slight drop in helium tank pressure on ground equipment, but it’s not expected to pose an issue for launch, Spaulding added.
“I will say my thoughts are really grateful tomorrow,” Spaulding said, adding that the entire NASA launch team is excited after years of work. “Love the fact that the weather looks really like it’s going to cooperate.”
If NASA cannot launch Artemis 1 on Monday, the agency could try again on Sept. 2 and Sept. 5 as backup days.
Tune in on Monday to watch NASA’s Artemis 1 moon mission launch online. A live fueling webcast will begin at 12 a.m. EDT (0400 GMT) with a launch webcast beginning at 6:30 a.m. EDT (1030 GMT). Liftoff is at 8:33 a.m. EDT (1233 GMT).
Email Tariq Malik at tmalik@space.com or follow him @tariqjmalik. Follow us @Spacedotcom, Facebook and Instagram.
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