Red Warning: Severe Thunderstorm Over Coaldale, Alberta
If you are in immediate danger, call emergency services now.
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Environment Canada issues red warning for extremely dangerous thunderstorm over Coaldale with damaging winds, baseball-sized hail and heavy rain.
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- Record type
- Severe Thunderstorm Warning
- Affected area
- Lethbridge County, Alberta
- Issued
- August 12, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Red warning for severe thunderstorm issued by Environment Canada. Effective immediately from 7:08 p.m. MDT on August 12, 2026, until 3:07 a.m. UTC (approximately 9:07 p.m. MDT).
Affected Areas
Co. of Lethbridge near Coaldale. Locations that could be impacted include Chin, Barnwell and Wrentham.
What You Should Do
Driving conditions will be difficult. Residents should prepare for potential destruction of buildings and trees along with significant damage and injury from large hail.
Expected Conditions
An extremely dangerous thunderstorm is producing damaging wind gusts, baseball size or greater hail and heavy rain. The storm is moving southeast at 40 km/h.
Timeline
Alert in effect from 7:08 p.m. MDT August 12, 2026, expiring at 3:07 a.m. UTC August 12, 2026.
Original source: ECCC Official Notice ↗
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