Red Warning - Severe Thunderstorm in Effect for M.D. of Willow Creek
This alert is no longer in effect.
ECCC issued it on August 11, 2026, 12 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.
An extremely dangerous thunderstorm over Claresholm is moving southeast at 50 km/h with potential for damaging winds, baseball-sized hail and heavy rain.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- M.D. of Willow Creek, Alberta
- Issued
- August 11, 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 12 days ago; use the issuing agency's live warning service for current conditions in M.D. of Willow Creek, Alberta.
Alert Details
Environment Canada has issued a red warning for a severe thunderstorm. The alert is effective immediately from 5:02 p.m. MDT on August 11, 2026, and expires at 1:01 a.m. MDT on August 12, 2026.
Affected Areas
The warning covers the M.D. of Willow Creek near Claresholm and Stavely. Locations that could be impacted include Claresholm, Nobleford and Monarch.
What You Should Do
Driving conditions will be difficult. Buildings and/or many trees will be destroyed. Large hail will cause significant damage and injury.
Expected Conditions
An extremely dangerous thunderstorm is located over Claresholm moving southeast at 50 km/h. Damaging wind gusts, baseball size or greater hail and heavy rain are possible.
Timeline
The alert was issued at 5:02 p.m. MDT on August 11, 2026, and remains in effect until 1:01 a.m. MDT on August 12, 2026.
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 (868 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 11, 2026.
Frequently Asked Questions
Common questions about this ECCC weather alert.