Heat Wave Hits Sioux Lookout with High Temperatures

Weather Outlook Pine Trees
Photo by Munzeroy Neekan

Current Conditions

As of 5:00 AM CDT on Thursday, July 11, 2024, Sioux Lookout is experiencing mostly cloudy skies with a temperature of 15.2°C. The dew point is close at 14.8°C, resulting in a high humidity level of 98%. Winds are blowing from the south at 11 km/h, and the barometric pressure is 101.8 kPa and falling. Visibility is excellent at 24 km.

Heat Warning in Effect

Extended Heat Forecast

A significant heat event is set to begin today in Sioux Lookout, persisting through the weekend. A much warmer air mass will bring daytime highs near 30°C and humidex values around 35°C. Nighttime will offer little relief, with lows expected to be around 19°C. A cooler air mass is anticipated to arrive Sunday night.

Health Precautions

The extreme heat can affect everyone’s health. It is crucial to:

  • Stay Hydrated: Drink plenty of water regularly, even before feeling thirsty, to prevent dehydration.
  • Schedule Activities Wisely: Plan outdoor activities for the cooler parts of the day.
  • Never Leave People or Pets in Vehicles: Ensure children and pets are not left in parked cars.

Today’s Detailed Forecast

Morning to Afternoon

Today will be sunny with winds becoming southwest at 20 km/h late this morning. The high temperature will reach 30°C, with a humidex of 34°C. The UV index is very high at 8, so sun protection is necessary.


Tonight will be clear, with winds from the southwest at 20 km/h becoming light in the evening. The low will be 20°C, providing warm overnight conditions.

Upcoming Days

Friday, July 12

Friday will bring a mix of sun and cloud with a 30% chance of showers in the afternoon and a risk of thunderstorms. Winds will become west at 20 km/h late in the morning. The high will reach 30°C, with a humidex of 35°C. The UV index will be high at 7. Overnight, expect cloudy periods with a 60% chance of showers and a low of 19°C.

Saturday, July 13

Saturday will be cloudy with a 60% chance of showers and a high of 28°C. The night will remain cloudy with a 30% chance of showers and a low of 17°C.

Sunday, July 14

Sunday will see clearing skies with a high of 26°C. The night will have cloudy periods with a 30% chance of showers and a low of 15°C.

Historical Weather Trivia

On this date, Sioux Lookout’s record high temperature was 33.0°C, set in 1987. The record low was a chilly 5.0°C, recorded in 1955.

What to Wear

Given the high temperatures and sunny conditions, light, breathable clothing is recommended. A wide-brimmed hat and sunglasses will help protect against the sun. Don’t forget to apply sunscreen with a high SPF to protect your skin from UV rays.

Sioux Lookout Weather Trivia

Did you know? Sioux Lookout, known for its beautiful lakes and wilderness, experiences a humid continental climate with warm summers and cold, snowy winters. The area is a popular destination for outdoor activities, particularly fishing and boating during the summer months.

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