A Cloudy and Chilly Morning
Good morning, Thunder Bay! At 6:00 AM EST, the temperature is a frosty -18°C under cloudy skies. The barometric pressure is 103.6 kPa and rising, signaling calm but chilly conditions. Humidity is at 70%, and a west-southwest wind at 12 km/h is driving the wind chill to -25°C. Visibility is excellent at 24 km, so while it’s cold, it’s a clear day for travel.
Today’s Forecast: Sunshine with Icy Temperatures
The clouds will part, giving way to mainly sunny skies by midday. Winds will remain light, reaching up to 15 km/h, and the high will climb to -14°C. However, wind chills will make it feel like -27°C this morning and -17°C in the afternoon. The UV index is a low 1, so sunglasses are more for style than necessity today.
Tonight: Clearing and a Temperature Uptick
Clouds will return this evening before clearing after midnight. Winds will stay light at up to 15 km/h, and temperatures will hold steady around -17°C before warming slightly to -14°C by morning. The wind chill will remain near -24°C in the evening, so bundle up if you’re heading out.
Weekend Outlook: A Taste of Warmth
Saturday:
Expect increasing cloud cover early in the morning, with calm winds at up to 15 km/h. The high will rise to a relatively mild -2°C, with wind chills of -18°C in the morning easing to -6°C by the afternoon.
Saturday night will remain cloudy, with a low of -3°C.
Sunday:
A significant warm-up arrives, with a high of +2°C under cloudy skies. Sunday night will see continued cloud cover and a low of -2°C, marking a weekend trend of above-average temperatures.
Monday:
Cloudy skies will bring a 60% chance of flurries or rain showers, with a high of -1°C. Overnight, the low will drop sharply to -14°C, with partly cloudy skies and a 40% chance of flurries.
Historic Highs and Lows
On this date, Thunder Bay’s warmest December 13 hit 9.7°C in 1984, while the record low plummeted to -38.9°C in 1976. While today’s chill is noticeable, it’s far from record-breaking.
Dressing for the Day
Dress in layers to fend off the -27°C wind chill this morning. Start with thermal undergarments, add fleece layers, and top it off with a heavy parka. Gloves, a scarf, and insulated boots are essential, and consider a face mask for any prolonged outdoor activity.
Weather Trivia
Did you know? Thunder Bay is known for its legendary “Sleeping Giant,” a rock formation visible from the city. On clear winter days, the Giant appears especially majestic, blanketed in snow.
