A Cold Morning with a Slight Warm-Up Later

Thunder Bay starts off frigid at -21°C but warms to -4°C. Snow flurries expected through the weekend with milder temps ahead

Thunder Bay is off to a frosty start this Friday morning, with temperatures sitting at -21°C as of 7:00 AM at the Thunder Bay Airport. The skies are mostly cloudy, and the wind is barely stirring from the west-southwest at 4 km/h, making it feel like -24°C with the wind chill.

The barometric pressure is at 103.3 kPa and falling, indicating some shifts in weather patterns ahead. Humidity is at 75%, adding a little extra bite to the morning chill.

The day will start sunny, but clouds will roll in as the afternoon progresses, bringing a 30% chance of flurries. The southwest wind will pick up to 20 km/h, gusting to 40 km/h, making for a breezy afternoon.

The high will reach -4°C, which, while still chilly, is a noticeable improvement from the deep freeze this morning.

Wind chills will make it feel like -27°C early on but will improve to a more tolerable -10°C by the afternoon. The UV index will remain low at 2, meaning sunglasses might be optional, but a warm hat and gloves are definitely not!

Tonight: A Chilly but Calmer Evening

Cloudy skies will dominate the evening, with a continued 30% chance of flurries. Winds will remain from the southwest at 20 km/h, gusting to 40 km/h before calming down later in the night. The temperature will drop to -12°C, with wind chills making it feel like -12°C early on and dipping to -18°C overnight. Bundle up if you’re heading out for the night!

Weekend Outlook: A Mix of Snow and Milder Temperatures

Saturday, February 22

Expect periods of snow throughout the morning and early afternoon, tapering off to cloudy skies with a 30% chance of lingering flurries by the evening. A light snowfall accumulation of 2 cm is expected. Winds will be light, up to 15 km/h. The temperature will climb to -1°C, a nice change from the recent deep freeze. However, the wind chill will still make it feel like -17°C in the morning and -5°C in the afternoon.

Saturday night will remain cloudy, with a continued 30% chance of flurries. The low will drop to -8°C.

Sunday, February 23

Sunday brings mostly cloudy skies with a 40% chance of flurries. The good news? The temperature will climb above freezing to a high of +1°C, making it feel almost balmy compared to earlier in the week!

However, snow returns in the evening, with periods of snowfall expected overnight. The temperature will dip to -4°C, so expect some slick roads for Monday morning.

Wardrobe Suggestions: Stay Warm, but Get Ready to Shed Layers!

With such a wide range of temperatures this weekend, layering is key! A thick winter coat, gloves, and a warm hat are essential for this morning, but by Sunday, you may find yourself shedding a layer or two. Waterproof boots will come in handy for the expected snowfall, especially with temperatures hovering near the freezing mark.

Weather Trivia: Thunder Bay’s Coldest February Day!

Did you know? Thunder Bay’s coldest recorded February temperature was a bone-chilling -43.3°C on February 1, 1996. That makes today’s -21°C feel downright mild in comparison!