Extreme Heat and Humidity Grip Southern Ontario
Heat Warning in Effect
A heat event is expected to start today in Toronto and could extend into Tuesday. A hot and humid airmass will descend on Southern Ontario, pushing daytime highs to around 30°C, with humidex values soaring to near 40. The nights will offer little relief, with minimum temperatures hovering around 20°C. Such conditions are conducive to deteriorating air quality, potentially raising the Air Quality Health Index to the high-risk category.
Current Conditions
Observed at: Toronto Pearson International Airport
Date: 5:00 AM EDT Sunday, 14 July 2024
Condition: Partly Cloudy
Pressure: 101.8 kPa (falling)
Temperature: 20.1°C
Dew Point: 18.6°C
Humidity: 91%
Wind: NW 8 km/h
Humidex: 27
Visibility: 24 km
Detailed Forecast
Sunday, 14 July 2024
- Morning: Sunny with increasing cloudiness.
- Afternoon: 40% chance of showers and risk of a thunderstorm. High of 30°C with a humidex of 40. Winds will shift to southwest at 20 km/h by early afternoon.
- UV Index: 8 (Very High)
Tonight: Partly cloudy with a 40% chance of showers. Risk of thunderstorms this evening and after midnight. Low of 20°C.
Monday, 15 July 2024
- Day: Mainly cloudy with a 40% chance of late afternoon showers and thunderstorms. High of 31°C with a humidex of 40. UV Index 7 (High).
- Night: Cloudy periods with a 40% chance of showers. Low of 22°C.
Tuesday, 16 July 2024
- Day: Cloudy with a 40% chance of showers. High of 29°C.
- Night: Cloudy periods with a 30% chance of showers. Low of 19°C.
Wednesday, 17 July 2024
- Day: A mix of sun and cloud with a 30% chance of showers. High of 27°C.
- Night: Cloudy periods. Low of 13°C.
Historical Weather Data
- Historical High: The record high temperature for today is 35°C.
- Historical Low: The record low temperature for today is 12°C.
Health and Safety Tips
Extreme heat can affect everyone’s health. To mitigate risks:
- Hydration: Drink plenty of water regularly, even before feeling thirsty, to prevent dehydration.
- Sun Protection: Limit direct sun exposure and use wide-brimmed hats or umbrellas.
- Vehicle Safety: Never leave children or pets in parked vehicles.
- Medical Advice: Consult health professionals on how medications or conditions may increase heat risks.
- Diet: Eat cool, light meals and avoid using ovens.
Wardrobe Suggestions
Given the high temperatures and humidity, wear light, breathable fabrics like cotton or linen. Opt for loose-fitting clothing in light colors to reflect sunlight and stay cool. Don’t forget a wide-brimmed hat and sunglasses for added protection.
Weather Trivia
Did you know? Toronto’s humidex scale can sometimes make it feel as hot as the Caribbean, even though it’s located much further north. This scale combines temperature and humidity to reflect the human-perceived equivalent temperature.
