Aurora Borealis Forecast for Canada Tonight (Nov. 12, 2025): NOAA Issues G4 Watch—Best Places, Times and What to Expect
Canada is primed for another night of northern lights. After an eye‑popping display late Tuesday, forecasters say geomagnetic storming will persist through tonight, with a Severe G4 watch in effect and high Kp values likely after dark. Western Canada looks favoured by clearer skies, while clouds could spoil the view for many in the East. Here’s the latest, what it means for visibility, and how to catch the show safely. What’s driving tonight’s aurora over Canada NOAA’s Space Weather Prediction Center (SWPC) has a G4 (Severe) geomagnetic storm watch in effect for Wednesday, November 12, following multiple coronal mass ejections