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Thursday, 20 August 2026 · Afternoon editionToronto ⛅ 20°CCAD/USD 0.7262 · CAD/EUR 0.6217About UsOur TeamSourcesContactNewsletter

Detour Lake Weather

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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the True North Brief Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.

The live forecast above shows Detour Lake currently at –12°C with a wind chill near –20°C and light snow; expect steady cloud cover and light winds through the afternoon, with the mercury falling to –16°C overnight.

What is the current weather pattern at Detour Lake?

This morning’s temperature of –12°C is about 3 degrees below the late‑March average for the area. The light snow is typical of a passing trough, with accumulation of less than 1 cm expected. Winds from the northwest at 10 km/h produce a wind chill that makes outdoor work feel closer to –20°C. Conditions are similar to those reported in Timmins weather and Kapuskasing weather, both roughly 200 km south and east of the lake.

How does the weather affect travel and operations at the mine site?

Reduced visibility from light snow and the wind chill factor are the main concerns today. Road conditions on Highway 652 remain fair but icy in patches. The mine’s airstrip is operational, though crews should allow extra time for de‑icing. No weather warnings are in effect for the region at this time.

Location49°26′N 83°38′W, northeastern Ontario
Elevation290 m (951 ft) above sea level
Time zoneEastern (UTC−5, summer UTC−4)
Typical late‑March range–5°C to –15°C, with frequent snow flurries
Why is the wind chill so important at Detour Lake?

Wind chill increases the rate of heat loss from exposed skin. At –12°C with a 10 km/h wind, the felt temperature is –20°C, which can cause frostbite in under 30 minutes. Workers should cover all exposed skin.

Does the lake itself affect the local weather?

Detour Lake is large enough to moderate temperatures slightly in spring and fall, but in winter it freezes over and behaves like the surrounding land. Open water in summer can increase local humidity and lake‑effect cloud cover.

Are there any weather warnings for the area?

No warnings are active as of this update. However, conditions can change quickly; check the latest weather warning page before travelling to the region.

For a broader look at conditions across the country, visit the Canada weather hub, or check Toronto Weather and Ottawa Weather for comparisons.