Northwestern Ontario Weather: Warm Wednesday, Strong Winds Thursday and a Cooler Friday

Northwestern Ontario sees a mild Wednesday, west winds gusting to 50 km/h Thursday and a cooler Friday
THUNDER BAY – WEATHER DESK – September 30, 2026 – Northwestern Ontario will see a sharp change over the next three days. Wednesday starts mild, with temperatures reaching the high teens and low 20s. A west wind will then strengthen Thursday, with gusts of 40 to 50 km/h in many communities. Friday looks cooler and quieter, with a mix of sun and cloud.
The forecast includes fog