Yellow Warning: Severe Thunderstorm in Effect for Kananaskis Area
This alert is no longer in effect.
ECCC issued it on August 20, 2026, 3 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this ECCC weather alert directly from ECCC's official public data feed. See our methodology for full source attribution and refresh cadence.
A severe thunderstorm near Millarville is moving east at 25 km/h, with damaging wind gusts, quarter-size hail and heavy rain possible until 11:51 p.m. MDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Kananaskis Improvement District
- Issued
- August 20, 2026
- Issuing authority
- ECCC
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 3 days ago; use the issuing agency's live warning service for current conditions in Kananaskis Improvement District.
Alert Details
Yellow warning for severe thunderstorm issued by Environment Canada. Effective immediately from 2026-08-20T22:14:17Z until 2026-08-20T23:51:17Z.
Affected Areas
Kananaskis Improvement District near Kananaskis Village, including Millarville and nearby areas.
What You Should Do
Large hail may cause significant damage and injury. Heavy rain may cause flash flooding and significant reductions to visibility.
Expected Conditions
Damaging wind gusts, up to quarter size hail, and heavy rain are possible. The storm is moving east at 25 km/h.
Timeline
Alert in effect from 4:12 p.m. MDT on August 20, 2026, and expires at 11:51 p.m. MDT the same day.
Original source: ECCC Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this ECCC weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (678 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to August 20, 2026.
Frequently Asked Questions
Common questions about this ECCC weather alert.