Overview

• NOAA’s Space Weather Prediction Center expects G1 (Minor) geomagnetic storm conditions on Oct. 12, with activity building after the high‑speed stream arrives late on Oct. 11.
• Forecasts indicate a likely peak on Sunday with a window roughly 5 a.m.–5 p.m. EDT, based on guidance from NOAA and the U.K. Met Office.
• Aurora may be visible overnight Oct. 11–12 across northern U.S. states and Canada, including parts of Alaska, Washington, Idaho, Montana, Wyoming, the Dakotas, Minnesota, Wisconsin, Michigan, New York and Maine.
• Real‑time indicators remain key, with a Kp near 5 possible and a sustained southward Bz often needed for widespread visibility, so observers should monitor live SWPC data and aurora dashboards.
• Seasonal post‑equinox geometry and the ongoing solar maximum could enhance the response, while best viewing favors dark, north‑facing skies away from city lights.