Thunder Bay – WEATHER – Thunder Bay residents are waking up to a chilly, cloudy morning with temperatures hovering around -4°C as of 7:45 AM. The barometric pressure is on the rise at 99.6 kPa, indicating changing weather patterns ahead. With humidity levels at 86% and light winds from the north-northwest at 4 km/h, the wind chill is making it feel slightly colder at -5°C.
Today’s Weather Forecast: Transition to Snow and Ice Pellets
The day will remain predominantly cloudy with a 30 percent chance of flurries expected late in the morning and early this afternoon. The weather will take a turn later today as periods of snow or ice pellets are forecasted to begin, accompanied by a risk of freezing drizzle late this morning and into the afternoon.
Northerly winds will increase to 30 km/h, gusting up to 50 km/h, as temperatures rise to a high of 0°C before plummeting to -9°C in the afternoon. This dramatic drop in temperature will bring the wind chill down to a biting -21°C, significantly increasing the risk of frostbite. The UV index will remain low at 1.
Tonight: Continuing Snowfall and Plunging Temperatures
Snow is expected to continue into the night, with accumulations of 2 to 4 cm. The persistent north wind at 30 km/h, gusting to 50 km/h, will further cool the air to a low of -20°C.
Wind chills will make it feel like -21°C this evening and even colder at -31°C overnight, highlighting the ongoing risk of frostbite for anyone exposed to the elements.
Weather Outlook for Wednesday and Beyond
Wednesday offers a slight change with a mix of sun and cloud and a 40 percent chance of flurries in the morning, followed by clearing skies. The wind will shift to the northwest at 20 km/h, with a high of -11°C.
Morning wind chills are expected to feel as cold as -30°C, warming slightly to -19°C in the afternoon, though still carrying a risk of frostbite. The UV index will be low at 1, indicating minimal sun exposure.
The night will be clear with temperatures dropping to -24°C. Thursday sees a continuation of the mix of sun and cloud, with a 30 percent chance of flurries and a high of -10°C, followed by a clear night with the temperature holding steady at -10°C.
Weather Words of Wisdom: Stay Prepared for Rapid Changes
With the forecasted drop in temperatures and the onset of snow and ice pellets, Thunder Bay residents should prepare for slippery roads and sidewalks. The significant wind chill factor adds an extra layer of caution for those spending time outdoors.
Dressing in layers, covering exposed skin, and staying informed on the latest weather updates are crucial steps in navigating the changing conditions.
Weather Trivia: The Impact of Northerly Winds
In Thunder Bay, northerly winds often signal the arrival of colder air masses from the Arctic, contributing to sudden temperature drops and increased snowfall during the winter months. These winds play a crucial role in shaping the local weather patterns, emphasizing the dynamic nature of the region’s climate.
