Thunder Bay is starting the day with a temperature of 12°C and 100% humidity, leading to shallow fog around the area. The calm conditions and high humidity are contributing to reduced visibility, but this fog will clear as the morning progresses. The barometric pressure is at 102.2 kPa and rising, indicating stable weather ahead.
Today’s Forecast: Sunny and Warm
After the fog clears, expect a sunny day with temperatures rising to a high of 26°C. The wind will shift to the southwest, picking up to 20 km/h and gusting to 40 km/h by late morning, which will help to disperse the remaining fog and haze. The humidex will make it feel closer to 30°C, so it will be quite warm. The UV index is high at 7, so sun protection is recommended if you’re spending time outdoors.
Tonight: Showers and a Thunderstorm Risk
Clouds will increase tonight with showers beginning in the evening and ending before morning. There’s a 40% chance of additional showers overnight, along with a risk of thunderstorms late in the evening and overnight. Winds will remain southwest at 20 km/h, gusting to 40 km/h, but will calm down late in the evening. The temperature will drop to around 15°C.
Looking Ahead: Warm and Mostly Sunny
- Friday, August 23: The morning will be cloudy with a 40% chance of showers, then transitioning to a mix of sun and cloud in the afternoon. There’s also a risk of a thunderstorm early in the morning. The high will reach 27°C, with a humidex of 32°C, and the UV index will be 6.
- Saturday, August 24: Expect a sunny day with a high of 28°C, followed by a clear night with a low of 13°C.
- Sunday, August 25: Sunny skies continue with a high of 27°C, and clear conditions into the night with a low of 15°C.
- Monday, August 26: A mix of sun and clouds with a high of 27°C, and a 40% chance of showers overnight with a low of 14°C.
Wardrobe Tip: Start with a light jacket for the cool morning, but be ready to switch to lighter clothing as the day warms up. Sun protection is essential with the high UV index.
Fun Fact: Thunder Bay’s foggy mornings are often followed by clear, sunny days, making it a unique blend of weather conditions in the region.
