Airdrie is seeing sunshine and summer heat this week, but remains just outside two heat warning zones now in effect for parts of Rocky View County.
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Environment Canada issued advisories early Wednesday for areas east and southeast of the city — including Irricana, Beiseker, Kathyrn, and Dalroy. In both warnings, the agency says daytime highs near 30 C and overnight lows of 14 to 18 C are expected through the week, with relief expected this weekend as temperatures fall back into the mid-20s.
Airdrie itself is forecast to reach 26 C Wednesday, 27 C Thursday, and 28 C Friday — with humidex values near 30 and a very high UV index of 8 each day. Fog patches are expected to form overnight and clear by mid-morning.
Showers are expected to arrive late Saturday and persist through Sunday and Monday, marking a soggy start to the Heritage Day long weekend. Sunday’s high is 20 C, with Monday reaching 21 C and a 60 per cent chance of rain both days.
In its July 30 advisories, Environment Canada urged residents to:
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Reschedule outdoor activities to cooler hours
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Take breaks in cool indoor spaces
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Stay hydrated with water or non-caffeinated drinks
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Never leave people or pets in parked vehicles
The agency said those most vulnerable to heat include seniors, children, outdoor workers, socially isolated individuals, and people with pre-existing conditions such as heart, lung, or kidney disease.
Meanwhile, fog advisories were issued Wednesday morning for parts of western Rocky View County and the foothills, including Bottrel, Madden, Canmore, Exshaw, and Ghost Lake.
“Dense fog has formed west of Calgary,” the agency said. “Visibility may be significantly and suddenly reduced to near zero.”
Fog is expected to dissipate by late morning.
Outlook for August and beyond
According to the Old Farmer’s Almanac, the Prairies can expect “scattered rain” and “mild” temperatures from Aug. 1 to 7, followed by “thunderstorms east, showery west” from Aug. 8 to 13. Its long-range forecast for 2025 calls for “a few heavy t-storms” through mid-August before a shift toward drier, warmer conditions.
“August temperature 15°C (2°C below avg.), precipitation 95mm (35mm above avg.),” the Almanac states.
The Farmer’s Almanac, which issues a separate forecast, projects “squally weather” for Saskatchewan and Manitoba over the Aug. 1 to 3 Civic Holiday stretch. Alberta is expected to see fair and hot conditions through Aug. 7, with more thunderstorms by mid-month.
From Aug. 12 to 15, the forecast calls for “fair skies for central and western provinces, then thunderstorms for Alberta.” Pleasant weather is expected from Aug. 16 to 19, followed by more unsettled conditions later in the month — especially in Saskatchewan and Manitoba.
Looking ahead to fall, the Farmer’s Almanac says 2025 “will trend cooler than average, particularly across the Prairie Provinces,” and warns of the potential for wet snow by mid-October.
“Thanksgiving weekend… offers a brief reprieve,” the publication states, but adds that Halloween “may see a mix of rain and snow” across Alberta, Saskatchewan and Manitoba.
While the two Almanacs differ in their broader summer outlooks — with the Old Farmer’s Almanac generally calling for cooler, wetter conditions and the Farmer’s Almanac forecasting hotter periods — both converge on two themes for August and fall: below-normal warmth and above-normal moisture across the Prairies.
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