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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scope Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out, then plan for rapid shifts: Black Diamond weather is defined by Alberta’s chinook winds, which can swing temperatures 10–15°C in hours. The key is layering and watching for sudden wind changes.
What makes Black Diamond weather different from Calgary weather?
Black Diamond sits in the foothills southwest of Calgary, so it catches chinooks earlier and more intensely than the city. While Calgary weather might show a mild afternoon, Black Diamond can be 5°C warmer from the downslope wind—or suddenly colder when the cloud deck rolls in. The town’s elevation (roughly 1,200 metres) also means overnight lows drop faster than in Calgary, and snow can linger a day longer in spring.
How do I read the hourly and radar data for Black Diamond?
The live forecast above gives you Black Diamond weather hourly breakdowns and Black Diamond weather radar loops. Focus on the wind gust column: a chinook event shows sustained southwesterly winds above 40 km/h. For weather in Black Diamond Alberta 10 days, trust the trend line more than the exact high—day 7 and beyond often flip as the chinook cycle shifts. For immediate conditions, Black Diamond weather Environment Canada data is the most reliable source, updated hourly from the nearby Priddis station.
Does Black Diamond get more snow than Okotoks?
Yes, typically 10–20% more. Black Diamond’s higher elevation and proximity to the foothills catch more upslope snow. Check Calgary weather and Okotoks weather for comparison—Black Diamond often has 2–5 cm on the ground when Okotoks is bare.
What is “weather Diamond Valley Alberta” referring to?
Diamond Valley is the municipal name for the combined communities of Black Diamond and Turner Valley. When you see weather Diamond Valley Alberta, it covers the same forecast zone as Black Diamond—use the live data above interchangeably.
How reliable are 10-day forecasts for Black Diamond?
Moderate at best. Chinook patterns make day 5–10 forecasts shift frequently. For weather in Black Diamond Alberta 10 days, treat the second week as a general trend—always recheck the live forecast above 48 hours before your plans.