Winter Storm Warnings in Calgary, Alberta
Calgary sits on the eastern edge of the Canadian Rockies, where chinook winds, Alberta clippers, and sudden Arctic outbreaks can make winter conditions highly unpredictable. The city averages 99.7 cm (39.2 inches) of snowfall per year, based on data spanning 2012 through 2024 — a respectable total that masks just how unevenly that snow tends to arrive.
The snowiest months in Calgary are November, March, and April, a pattern that reflects the city's tendency toward late-arriving and lingering winters rather than a concentrated deep-winter peak. Significant accumulation events are actually quite rare here; over the 13-year period analyzed, Calgary recorded no days meeting the threshold for heavy or major snowfall events on average — meaning when a true winter storm does strike, it stands out sharply against the norm.
A winter storm warning in Calgary is typically issued when snowfall, blowing snow, or a combination of hazardous conditions is expected to create dangerous travel or significant disruption. Average winter overnight lows hover around -12.2°C (10°F), meaning snow can persist and compact quickly. It's worth noting that warning thresholds differ across Canadian regions, so criteria used in Calgary may not apply to other provinces or municipalities.
| Years analyzed | 13 winters (2012–2024) |
|---|---|
| Avg. annual snowfall | 99.7 cm (39.2 in) |
| Snowiest months | November, March, April |
| Avg. winter overnight low | −12.2°C (10°F) |
| Heavy-snow days per year | 0 |
Climatology figures are approximate estimates for the period shown and may differ from official local records.
Watch vs warning: a winter storm watch means a major storm is possible in Calgary within 12–48 hours (be prepared); a winter storm warning means it is happening or about to (take action now). For full definitions, see the complete winter storm warning guide.
Calgary winter storm FAQ
Is there a winter storm warning in Calgary right now?
The live status at the top of this page shows whether a winter storm warning, watch, or advisory is currently in effect for Calgary, Alberta. It checks live forecast and alert data automatically and refreshes every time the page loads.
Does Calgary get winter storm warnings often?
Calgary sees significant snowfall in most winters, and winter storm warnings are issued in a typical season. The frequency varies year to year with the track of major storm systems.
How much snow triggers a winter storm warning in Calgary?
Environment and Climate Change Canada (ECCC) issues winter warnings on criteria that vary by region and expected impact: how much snow or ice is forecast, over what period, and how disruptive it is likely to be for the area. There is no single fixed snow total.
What should I do during a winter storm warning in Calgary?
Avoid travel if possible, stay indoors and keep warm, prepare for power outages, keep an emergency kit, and check on elderly or vulnerable neighbours. Follow guidance from Alberta authorities and Environment and Climate Change Canada (ECCC).
Winter storm warnings in nearby locations
- Winter storm warning in Red Deer, AB
- Winter storm warning in Banff, AB
- Winter storm warning in Edmonton, AB
- Winter storm warning in Kelowna, BC
- Winter storm warning in Saskatoon, SK
- Winter storm warning in Prince George, BC
See all locations, read the latest winter weather news, or the full winter storm warning guide. Definitions follow Environment and Climate Change Canada (ECCC) criteria; thresholds vary by region.