News from Thunder Bay: begins Tuesday with mostly cloudy skies, strong west-northwest winds and a chance of additional showers.
Conditions are expected to improve Tuesday evening, followed by sunshine and seasonable temperatures through Thursday. EDT Tuesday, Aug. 4, the temperature at Thunder Bay Airport was 16.8 C.
The humidity was 84 per cent, with west-northwest winds at 24 km/h and gusts reaching 47 km/h. Morning showers will end before mainly cloudy skies settle over the Lakehead. There remains a 40 per cent chance of showers, with a risk of a storm early in the morning. Community rainfall amounts of 15 to 25 millimetres are possible.
The overnight low will be 11 C.
West winds will reach 30 km/h, gusting to 50 km/h. The daytime high will be 25 C, with a humidex of 28. The UV index will be 7, or high. Tuesday night will become clear late in the evening. West winds of 20 km/h, gusting to 40 km/h, will become light. The overnight low will be 11 C. Wednesday will begin sunny before a mix of sun and cloud develops near noon. West winds will surge to 20 km/h, gusting to 40 km/h, late in the morning. The high will be 24 C, with a UV index of 6, or high. Skies will clear Wednesday night, with a low of 12 C. A mix of sun and cloud is expected Thursday, with a high of 24 C. Thursday night will be clear, with an overnight low of 15 C. Strong wind gusts Tuesday may make travel more difficult for high-profile vehicles travelling on exposed sections of Highway 11/17. Boaters on Lake Superior and inland lakes should be prepared for changing wind and wave conditions. Heavy rainfall may also create temporary ponding on roads and reduced visibility. Drivers should slow down near standing water and allow additional stopping distance. With the UV index remaining high Tuesday and Wednesday, residents spending time outdoors should use sunscreen, wear protective clothing and seek shade during the middle of the day..
Community members are encouraged to stay informed and share this information with friends and family. Following trusted local news sources helps ensure everyone stays up to date with events and announcements affecting Thunder Bay and Northwestern Ontario.
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📍 Source: NetNewsLedger · By: NetNewsLedger Staff · 🗓️ August 04, 2026 · 🏠 ThunderBay.Online
