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Weather – Thunder Bay reaches 10 C before colder air and mixed showers

Thunder Bay Fire Rescue Police City Hall

Thunder Bay hits 10 C and Kakabeka Falls reaches 9 C Tuesday, but north winds and possible freezing drizzle return Wednesday

THUNDER BAY, Ont., Nov. 10, 2026 — Thunder Bay and Kakabeka Falls will have a mild but mainly cloudy Tuesday before temperatures fall below freezing tonight.

Environment Canada had no active Ontario alerts at 6:11 a.m. EST. A risk of freezing drizzle is forecast early Wednesday, when rain showers and flurries return.

Tuesday: Mild and mainly cloudy

Thunder Bay reaches 10 C under mainly cloudy skies. West winds increase to 20 km/h during the morning. The ultraviolet index is one, or low.

Kakabeka Falls reaches 9 C, also under mainly cloudy skies with a west wind of 20 km/h.

Both communities fall to minus 1 C tonight. Thunder Bay is forecast to clear before morning, while Kakabeka Falls remains mainly cloudy.

Wednesday: Flurries, drizzle and stronger north wind

Thunder Bay will be mainly cloudy. A 40-per-cent chance of flurries changes to rain showers or drizzle during the morning. Freezing drizzle is possible early. North winds increase to 20 km/h, gusting to 40, with a high of 4 C.

Kakabeka Falls has a similar 40-per-cent chance of mixed precipitation. North winds will be stronger at 30 km/h, gusting to 50. The high is 4 C.

Thunder Bay falls to minus 4 C Wednesday night. Kakabeka Falls falls to about minus 5 C, with cloudy periods and a chance of flurries.

Thursday: Dry but colder

Thunder Bay will have a mix of sun and cloud with a high near zero. Kakabeka Falls also sees a mix of sun and cloud, with a high near minus 1 C.

Overnight lows Thursday night are forecast near minus 6 C in Thunder Bay and minus 8 C around Kakabeka Falls.

Travel outlook

The main concern is a brief period of freezing drizzle early Wednesday, followed by mixed precipitation and gusty north winds. Bridges, rural roads and exposed sections of Highway 11/17 may become slippery before temperatures rise above freezing.

Wardrobe

Tuesday calls for a light insulated or water-resistant jacket. Add winter boots, gloves and a toque for Wednesday morning and Thursday. A hood is more practical than an umbrella when north winds strengthen.

Weather trivia

The ultraviolet index can remain low even when temperatures are unusually mild. UV strength depends primarily on the sun’s angle, cloud and atmospheric conditions, not the surface temperature.

META: Thunder Bay and Kakabeka Falls reach 9 to 10 C Tuesday before mixed showers, flurries and colder air arrive.

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