Thunder Bay – Weather Desk – Thunder Bay is settling into a wintry rhythm as December brings cold air, flurries, and periods of snow to the region. Residents should prepare for increasingly frigid nights and occasional light snow accumulations.
If you are planning travel east on Highway 11, the OPP have an update you need to read.
Current Conditions (6:00 AM EST, December 2, 2024):
Thunder Bay is experiencing cloudy skies with a temperature of -5.8°C. Humidity is at 79%, with a dew point of -8.9°C. Winds are calm but will pick up later in the day, and the barometric pressure is 102.8 kPa and rising, indicating stable but cold conditions.
December 2, 2024 (Today)
Expect mainly cloudy skies with a 40% chance of flurries early this morning. Winds will shift to the northwest at 20 km/h by late morning, keeping the high near -4°C. Wind chills will make it feel more like -12°C. The UV index is low at 1.
Tonight: Cloudy skies persist, with winds easing to 15 km/h. Temperatures will drop to -14°C, with wind chills near -20°C overnight.
December 3, 2024 (Tuesday)
Cloudy skies dominate, with snow beginning in the afternoon and accumulating 2 to 4 cm. Winds will remain light at 15 km/h. Morning wind chills will be a brisk -20°C but will moderate slightly to -8°C in the afternoon. The high will reach -6°C.
Night: Periods of snow continue overnight, with lows near -8°C, making for slick and snowy conditions by Wednesday morning.
December 4, 2024 (Wednesday)
Cloudy skies remain, with a 60% chance of flurries throughout the day. Highs will climb to -3°C, offering a brief reprieve from the frigid early week lows.
Night: Cloudy periods will persist with a 30% chance of flurries, and temperatures will plunge to -16°C.
December 5, 2024 (Thursday)
Sunny skies will return, brightening the day despite the cold. Expect a high of -6°C.
Night: Clear skies will dominate, with temperatures falling to a bone-chilling low of -18°C.
Wardrobe Suggestions
With daytime wind chills hovering near -12°C to -20°C and sub-zero temperatures overnight, winter gear is essential. Layer up with insulated coats, thermal undergarments, hats, gloves, and scarves. For Tuesday’s snow, waterproof boots with good traction are recommended to navigate slick surfaces.
Weather Trivia
Thunder Bay is known for its dramatic shifts between Arctic air masses and sunny high-pressure systems, often leading to brilliant winter skies after a snowfall. December 5’s sunny day is a classic example of these high-pressure effects!
