Thunder Bay Weather: Gusty Wednesday, Shower Chances Through Friday

NetNewsLedger Weather Desk | October 7–9, 2026
THUNDER BAY — Gusty winds and possible afternoon thunderstorms lead the three-day outlook. Western Lake Superior’s latest retrieved marine bulletin carries a strong-wind warning.
At 5 a.m. Wednesday, Thunder Bay Airport reported clear skies and 7.5°C, with west-southwest winds at 9 km/h.Day
Thunder Bay forecast
High
Overnight low
Wednesday, October 7
Clouds increasing; 40% chance of afternoon showers and a thunderstorm risk. Wi