THUNDER BAY – WEATHER – Thunder Bay is experiencing a mix of rain, thunderstorms, and colder air as October transitions to November. The following forecast covers October 30 through November 1, 2024, detailing anticipated conditions, wind speeds, and temperature shifts, including quite likely Thunder Bay’s first snowfall of the season on Halloween.
It means bundling your tricker treaters up.
Here’s what to expect in the days ahead.
Current Conditions (October 30, 2024)
At 6:50 AM EDT, Thunder Bay is seeing thunderstorms and light rain showers, with a current temperature of 7.3°C. Humidity is high at 87%, with a barometric pressure of 100.6 kPa and falling, signaling possible further rain. Winds are from the north-northwest at 21 km/h, gusting to 38 km/h, while visibility is slightly reduced to 19 km.
Wednesday, October 30 Forecast
Showers are expected to taper off near noon, though clouds will remain, with a 30% chance of additional showers. There is a risk of thunderstorms early in the day, with north winds reaching 20 km/h and gusting to 40 km/h by mid-morning. The high will be 8°C, with a UV index of 2 (low).
Tonight: Skies will remain mainly cloudy, with a north wind at 20 km/h developing by morning. The temperature will drop to 1°C.
Thursday, October 31 (Halloween) Forecast
Halloween day will be cloudy, with periods of snow beginning in the afternoon as temperatures dip. Winds will be from the northeast at 20 km/h. The high will reach 5°C in the morning before cooling down to 1°C by late afternoon.
Thursday Night: The evening will remain cloudy with a 30% chance of flurries. Temperatures will plunge to a low of -7°C, bringing a wintry chill to Halloween night.
Friday, November 1 Forecast
Friday will bring a clear, sunny day with cooler temperatures and a high of 2°C.
Friday Night: Clear skies will continue into the evening, with a low of -2°C, making for a crisp start to November.
Wardrobe Suggestions
Thunder Bay residents should prepare for variable weather, with rain gear useful today and winter layers essential by Halloween. For trick-or-treaters on Halloween, a warm jacket, gloves, and a hat will be needed as temperatures fall and snow moves in. By Friday, warm but lighter layers will be suitable for the sunny but cooler conditions.
Weather Trivia
Halloween has brought a variety of weather to Thunder Bay over the years, including snow, rain, and even unseasonably warm conditions. Thunder Bay’s first October snow cover often arrives in late October, with Halloween 2019 marking one of the snowiest in recent years.