Morning Outlook – Calm with Cloud and Smoke
Thunder Bay – Weather – As of 6:00 AM EDT, Thunder Bay begins the day under mostly cloudy skies and light northerly winds, with a temperature of 17.7°C and humidity at 91%, creating a damp, hazy morning.
A perfect night in store for a Border Cats Baseball game. First pitch at 6:35 PM at Port Arthur Stadium.
Local smoke remains a concern, reducing visibility and air quality slightly, but conditions are expected to improve throughout the day.
Current Conditions (Thunder Bay Airport – 6:00 AM EDT)
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Temperature: 17.7°C
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Humidity: 91%
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Dew Point: 16.2°C
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Wind: N at 3 km/h
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Pressure: 102.0 kPa (rising)
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Visibility: 13 km
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Condition: Mostly cloudy with localized smoke
Today’s Forecast – Tuesday, July 29
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Sky: Clearing skies this morning with lingering smoke
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Wind: Northwest 20 km/h, gusting to 40 km/h by late morning
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High Temperature: 26°C
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Humidex: 29
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UV Index: 8 – Very High
🌤️ Expect improving visibility by midday, though local smoke will still be noticeable. It’s a good day for outdoor plans if you’re not sensitive to air quality, but take breaks indoors if needed.
Tonight
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Conditions: Clear and cooler, smoke will remain in the evening hours
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Wind: Northwest 20 km/h becoming light
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Low Temperature: 10°C
Extended Forecast
Wednesday, July 30
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Sky: Mainly sunny, becoming partly cloudy by midday
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Wind: West 20 km/h
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High: 21°C
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Night: Clear, low 9°C
Thursday, July 31
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Day: Sunny and comfortable
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High: 23°C
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Night: Clear, low 9°C
Friday, August 1
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Day: Sunny, warming trend continues
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High: 25°C
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Night: Clear, low 10°C
Wardrobe & Health Recommendations
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Morning: Light jacket or sweater for the early chill
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Afternoon: Light, breathable clothing; sunglasses and sunscreen recommended due to high UV
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Health Note: If you experience irritation from smoke, limit time outdoors and keep indoor air clean
Weather Trivia
Did You Know?
Thunder Bay’s unique bowl-like geography, surrounded by higher terrain and Lake Superior, can trap smoke and fog in low-lying areas during calm conditions. This can extend poor air quality even after skies begin to clear.
