Sunday Starts with Snow but Ends with Sunshine and Strong Winds
Thunder Bay is kicking off March Break with mostly cloudy skies and a temperature of -6°C. The humidity is at 80%, and winds from the east at 6 km/h make it feel like -9°C with the wind chill. The barometric pressure sits at 100.7 kPa and is rising, meaning conditions will shift throughout the day.
This morning, periods of snow will begin early but will wrap up around noon, with about 2 cm of accumulation expected. By midday, skies will start to clear, but strong northwest winds will move in, picking up to 30 km/h and gusting to 60 km/h in the afternoon. Despite the wind, temperatures will climb to a pleasant 7°C, though the morning will still feel like -11°C with the wind chill. The UV index is moderate at 3, so sunglasses might come in handy.
Tonight, clear skies will give way to increasing cloudiness late in the evening, with a 40% chance of snow overnight. Winds will ease off, and temperatures will drop to -4°C.
March Break Forecast: A Wild Mix of Spring and Winter
Monday: Sun, Clouds, and More Snow on the Way
Monday starts with a mix of sun and cloud, but there’s a 40% chance of light snow early in the morning. Winds will be light at 15 km/h, and temperatures will reach 7°C once again—another mild day! The morning wind chill will make it feel like -6°C, but it will feel much warmer by the afternoon.
Monday night, however, snow returns, and temperatures will dip to -6°C.
Tuesday & Wednesday: Winter Makes a Comeback
Tuesday will bring a mix of sun and cloud, but temperatures will only reach -5°C—a stark contrast to Monday’s mild weather. The night will be cloudy, with a low of -11°C.
Wednesday will be cloudy with a 40% chance of flurries or rain showers, as temperatures climb back up to +2°C. The night remains cloudy with a 40% chance of flurries, and temperatures drop to -8°C.
Late Week: Spring Tries to Take Over
Thursday looks mild, with a mix of sun and clouds and a high of +5°C, but there’s still a 30% chance of rain or snow overnight as temperatures fall to -4°C.
Friday brings cloudy skies and a high of 6°C, but rain is expected Friday night, with temperatures hovering around 0°C.
What to Wear?
Today will be a mixed bag, so dress in layers. A warm jacket and gloves will be necessary this morning, but by the afternoon, you may be comfortable in something lighter—just be prepared for strong winds. Monday will feel spring-like again, but by Tuesday, full winter gear is needed once more. If you’re planning any outdoor activities for March Break, be prepared for everything from sunshine to snow to rain!
Thunder Bay Weather Trivia: A City of Extremes
March in Thunder Bay has seen some wild swings in temperature. The warmest March 10th on record hit 17.2°C in 2012, while the coldest was a bitter -34.8°C in 1972. Compared to those extremes, this week’s forecast feels like a middle ground—though it certainly has its fair share of ups and downs!
