Cold Start Leads to a Mix of Sunshine and Clouds in Thunder Bay

THUNDER BAY – WEATHER – Thunder Bay residents are experiencing a chilly start to their day, with temperatures hovering around -11°C under mostly cloudy skies.

The day is set to improve, however, as clouds give way to sun, promising a brighter afternoon with a slight increase in temperature.

Today’s Weather Overview

Current Conditions

As of 7:00 AM EDT on Friday, March 22, 2024, the Thunder Bay Airport has recorded a temperature of -10.5°C. The humidity stands at 70%, with a light west-southwest wind of 6 km/h adding a chill to the air, lowering the effective temperature to -14°C. Visibility is good at 24 km, indicating mostly clear conditions despite the cloud cover.

Today’s Forecast

Today’s forecast anticipates a transition from morning clouds to clearer skies by late morning. Winds are expected to shift to the northwest, increasing to 20 km/h with gusts up to 40 km/h.

The day’s high is projected to reach -1°C, though wind chill factors will make it feel as cold as -17°C in the morning and -7°C in the afternoon. The UV index remains low at 2, suggesting minimal sun exposure risk.

Extended Forecast:

• Tonight: Skies will clear, with northwest winds of 20 km/h gusting to 40, then becoming lighter by the evening. The temperature is expected to plummet to -21°C, with an evening wind chill feeling like -16°C.
• Saturday, March 23: A sunny day is on the horizon, with winds turning to the south at 20 km/h in the afternoon. The high for the day will be -3°C, but morning wind chills could dip to -25°C, warming slightly to -8°C by the afternoon.
• Sunday, March 24: The day starts with cloudiness increasing, leading to a high of -1°C. By night, the sky will remain cloudy, with a 60% chance of flurries and a low of -3°C.

Wardrobe Recommendations

Given the fluctuating temperatures and wind chill, dressing in warm layers is advisable. Ensure your outer layer is windproof to combat the brisk northwest winds. Accessories like hats, gloves, and scarves will be essential for maintaining warmth, especially during the colder morning hours.

Weather Trivia

Thunder Bay, with its unique geographic location by Lake Superior, often experiences rapid weather changes due to lake-effect snow in the winter and spring months. This phenomenon can lead to sudden snowfalls and temperature fluctuations, showcasing the dynamic nature of weather in the region.