Warm and windy Wednesday ahead of another wet day Thursday

CTV News

2 days ago

The first half of Wednesday will be mild with a mix of sun and cloud and a high around 20 C for most of southern Alberta.
Winds are expected to pick up in the afternoon to around 20 km/h with gusts closer to 40 km/h in the Calgary area.
This wind precedes an incoming low pressure system that will bring rain across the Rockies late Wednesday before tracking east through Calgary on Thursday.
Warm and windy Wednesday ahead of another wet day Thursday
Air quality statements (gray) and air quality warnings (purple) issued by Environment and Climate Canada as of 7 a.m. July 16, 2025.
Air quality statements have been issued for the southeast corner of Alberta due to wildfire smoke from Saskatchewan being pushed south.
This should improve in Alberta once a shift in the weather pattern pushes some of that smoke back toward the source fires (in the central and northern communities).
Thunderstorms are possible along the foothills Wednesday with the greatest threats including hail and strong wind. Funnel cloud development is also possible due to wind shear.
There will be a moderate amount of moisture associated with this incoming system, and communities, including Calgary, could record another 15 to 20 millimetres of rain by early Friday.
Cooler air is expected to funnel south along the foothills resulting in daytime highs on Thursday that are at least five to eight degrees below seasonal.
The main theme this week will be a lack of consistency.
Friday will be similar to Wednesday with more sunshine and highs in the low 20s.
Saturday and Sunday both include a chance of isolated showers and thunderstorms with daytime highs around 21 C in Calgary.