Overview

• NOAA’s Space Weather Prediction Center forecasts a minor-to-moderate geomagnetic storm on August 8–9 with the Kp index potentially reaching 6.
• Aurora viewline maps show possible sightings after dark across 16 northern U.S. states and adjacent parts of Canada into the early hours of August 9.
• A bright sturgeon moon waxing toward full on August 9 will brighten the night sky and could limit aurora visibility for sky-watchers.
• G1–G2 storm conditions carry the potential for manageable disruptions to satellites, communications systems and power grids.
• The recent August 5 coronal mass ejection and subsequent solar activity come on the heels of the late-2024 solar maximum, with heightened auroral displays expected through early 2026.