Current Conditions
Thunder Bay begins the day with mostly cloudy skies and a temperature of 1.3°C. Humidity sits at 98%, contributing to the damp feel, while a gentle north-northeast wind at 5 km/h keeps the air calm. Visibility remains excellent at 24 km, and the barometric pressure, falling at 101.5 kPa, indicates that more unsettled weather is on the horizon.
Today: A Gray, Damp Afternoon
This morning brings a 60% chance of drizzle, transitioning to periods of steady drizzle near noon as fog patches dissipate. The temperature will rise to +4°C, offering mild conditions despite the dampness. With little wind to speak of, a raincoat or umbrella will suffice for braving the outdoors.
Tonight: Rain and Breezy Conditions
Periods of rain will develop overnight, with winds shifting to east 20 km/h after midnight. The temperature will hold steady at +1°C, making for a wet but manageable evening.
Weekend Outlook: Rain Turns to Snow
Saturday, December 28: A Transition Day
Saturday starts with periods of rain, which may transition to wet snow as the day progresses. Winds will ease by morning, and the temperature will remain steady near +2°C. Overnight, rain or snow continues, and the low will dip to -3°C, leading to potentially slick conditions by morning.
Sunday, December 29: Flurries and a Mix of Sun and Cloud
Sunday will offer a brief reprieve with a 30% chance of flurries under a mix of sun and cloud. Temperatures will peak at +1°C before dropping to -6°C overnight with a similar chance of flurries.
Looking Ahead: A Chilly, Cloudy End to 2024
By Monday and Tuesday, Thunder Bay will experience a classic winter mix of sun and cloud. Highs will range from -1°C to -4°C, while nighttime lows will settle between -8°C and -9°C, with a 30% chance of flurries to ring in the new year.
Weather Trivia
Thunder Bay’s record high for December 27 was +6.9°C in 1998, while the record low plunged to a frosty -36.7°C in 1933. Today’s drizzle is a far cry from either extreme, making it a relatively easy winter day.
