Possible G2 storm due overnight June 29
A coronal mass ejection that erupted from the sun late on June 26 is forecast to arrive at Earth early on June 30 (overnight on June 29). It could drive G1–G2 geomagnetic storming.
Monday, June 29, 2026
Possible G2 storm due overnight June 29 — Monday, June 29, 2026
SXM-11 launch window active; possible G2 geomagnetic storm overnight June 29 from June 26 CME; NASA U.S. Spacewalk 95 scheduled June 30. No major new space‑related developments or in‑depth analyses surfaced in the last 24–48 hours that meet the required sourcing and recency criteria.
Biggest developments
SXM-11 Falcon 9 launch window opens June 28 evening
Four-hour window opens at 10:25 p.m. ET June 28 from SLC-40; backup window same time June 29.
NASA astronauts to perform U.S. Spacewalk 95 on June 30
Astronauts Chris Williams and Jessica Meir will exit the ISS Quest airlock at ~8:35 a.m. EDT to replace a wrist joint on the Canadarm2 robotic arm.
Why this matters
Ongoing launch cadence, solar activity impacts, and ISS maintenance continue without major new disruptions.