Extended Heat Warning for Thunder Bay
A heat warning is in effect for Thunder Bay as a hot airmass is expected to persist into the weekend. Humidex values will reach 35°C for the next three days, with daytime highs near 29°C and nighttime lows near 18°C. A cooler airmass is anticipated to arrive Sunday night or Monday.
Health and Safety Recommendations
Health Risks:
- Vulnerable Groups: Extreme heat can affect everyone’s health, but particularly vulnerable are older adults, infants and young children, people with pre-existing health conditions, and those who are socially isolated.
- Heat Illness Symptoms: Watch for signs of heat illness, such as swelling, rash, cramps, fainting, heat exhaustion, and heat stroke.
Precautions:
- Hydration: Drink plenty of water regularly, even if you don’t feel thirsty.
- Outdoor Activities: Schedule outdoor activities during the coolest parts of the day.
- Vehicle Safety: Never leave people, especially children, or pets inside a parked vehicle.
- Cooling: Seek cool places such as shaded areas or air-conditioned spots.
Continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.
Current Weather Conditions in Thunder Bay
As of 6:00 AM EDT on Friday, July 12, 2024, Thunder Bay is experiencing partly cloudy skies with a temperature of 12.9°C. The dew point is at 12.6°C, resulting in a humidity level of 98%. The wind is blowing from the west-northwest at a light speed of 5 km/h. Visibility is excellent at 32 km, and the barometric pressure is at 101.7 kPa and falling.
Detailed Weather Forecast
Friday, July 12, 2024
- Day: The day will be a mix of sun and clouds with a 30% chance of showers this afternoon, along with a risk of thunderstorms. Winds will become south at 20 km/h this afternoon. The high will be 29°C, with a humidex of 36°C. The UV index is very high at 8.
- Night: The evening will be partly cloudy with a 30% chance of showers early, then clearing. There is a risk of thunderstorms early in the evening. Winds will be southwest at 20 km/h, becoming light later. The low will be 18°C.
Saturday, July 13, 2024
- Day: The day will be sunny with winds becoming south at 20 km/h in the afternoon. The high will be 28°C, feeling like 34°C with the humidex. The UV index will be high at 7.
- Night: Cloudy with a 60% chance of showers. The low will be 18°C.
Sunday, July 14, 2024
- Day: A mix of sun and clouds with a 30% chance of showers. The high will be 27°C.
- Night: The night will be clear, with temperatures dropping to 16°C.
Monday, July 15, 2024
- Day: A mix of sun and clouds with a high of 22°C.
- Night: Cloudy with a 30% chance of showers and a low of 14°C.
Historical Weather Data for July 12
- Highest Temperature: 33.1°C (2005)
- Lowest Temperature: 7.8°C (1991)
Wardrobe Suggestions
With the extreme heat, lightweight, breathable clothing is recommended. Sunglasses, hats, and high-SPF sunscreen are essential for sun protection. An umbrella or light raincoat may be useful for the afternoons. Ensure you stay hydrated and seek shaded or air-conditioned areas during the hottest parts of the day.
Fun Weather Fact
Did you know that Thunder Bay’s record high for July 12 was a scorching 33.1°C, set in 2005? This highlights the potential for extreme summer temperatures in the region.
