Mild Today, But Don’t Put Away the Winter Gear Yet!
Thunder Bay sees a mild +5°C today before rain turns to snow and temperatures drop to -14°C overnight. A midweek warm-up follows!
Thunder Bay starts the day under cloudy skies with a current temperature of -1°C. The east wind at 19 km/h is making it feel like -6°C, with humidity at 75%. Visibility is excellent at 24 km, and barometric pressure is falling at 100.5 kPa, signaling an incoming weather shift.
Today: Cloudy Skies, Milder Temperatures
Expect mainly cloudy conditions, with a 40% chance of early morning flurries. Winds will be light at up to 15 km/h, and temperatures will climb to +5°C by the afternoon.
The wind chill will make it feel like -3°C this morning, but overall, it’s a relatively mild March day. The UV index is low at 2, so no need for heavy sun protection.
Tonight: Rain Showers, Then a Quick Freeze
Things take a turn this evening, as rain showers develop early before switching to flurries as temperatures plummet. Snowfall will taper off after midnight, but north winds at 30 km/h, gusting to 50 km/h, will bring a sharp drop in temperatures.
The overnight low will hit -14°C, with a wind chill making it feel like -18°C. Roads could become icy as the wet conditions freeze, so caution is advised if you’re out late.
Tuesday: Bitter Cold Morning, Sunny Skies
Tuesday will be sunny but cold, with a high of only -2°C. The real kicker is the morning wind chill, which will feel like a brutal -22°C. Winds from the northwest at 20 km/h, gusting to 40 km/h, will gradually become lighter by midday. By the afternoon, the wind chill will improve slightly to -6°C.
Tuesday night will see increasing cloudiness, with a low of -12°C.
Midweek Outlook: A Slow Warm-Up with Mixed Precipitation
- Wednesday: Cloudy with a 30% chance of flurries or rain showers, high of +3°C.
- Wednesday Night: Cloudy periods, low -4°C.
- Thursday: A mix of sun and clouds, high +5°C.
- Thursday Night: Cloudy with a 30% chance of rain or flurries, low +1°C.
- Friday: 40% chance of rain showers, high 8°C.
- Friday Night: Rain develops, low +4°C.
What to Wear?
- Today: A light jacket will do this afternoon, but keep waterproof gear handy for evening rain.
- Tonight & Tuesday: Full winter gear is needed, with windproof layers, gloves, and a hat to battle the -22°C wind chill in the morning.
- Midweek: With temperatures fluctuating, layering is key, as we’ll see a mix of mild and chilly conditions.
Thunder Bay Weather Trivia
Did you know Thunder Bay once hit a March record high of 26.1°C on March 27, 1945? While today’s +5°C won’t break any records, it’s a reminder that spring is on the horizon—despite the deep freeze coming tonight!
