Cloudy with Showers for Thunder Bay

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Young Deer at Balsam Park in Thunder Bay
Young Deer at Balsam Park in Thunder Bay

Thunder Bay Weather Report – September 20, 2024

Thunder Bay will experience cloudy skies today, with a high of 24°C. There’s a 30% chance of showers during the day, while the humidex will make it feel warmer at around 29°C. Winds will come from the south at 20 km/h. As night falls, expect cloudy periods with a 40% chance of additional showers, bringing the temperature down to 12°C.

The weekend promises sunny skies on Saturday with a high of 24°C, followed by increased cloud cover later in the day. Sunday, however, will see a cooler day with a high of 19°C and a 40% chance of showers.

Marine Weather for Lake Superior – Western Region

For those on Lake Superior (Western Region), a strong wind warning is currently in effect. Winds will range from 20 to 33 knots today, and the region will experience a mix of cloud and potential showers. By Saturday, winds will lighten, becoming southeast at 15 knots later in the day. On Sunday, winds will shift to the northwest at 20 knots, creating potentially rougher waters for mariners​.

Wardrobe Tip: For today, it’s best to have a light rain jacket handy, especially with the chance of showers. Saturday looks like a perfect day for outdoor activities, but expect cooler, wetter weather by Sunday.

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