Stay alert: Multi-day thunderstorm threat spans the eastern Prairies

The eastern Prairies face a multi-day thunderstorm risk, with scattered storms Monday in Manitoba and Saskatchewan, and a stronger severe storm potential Tuesday in southern Manitoba, including gusty winds, hail, and rotation

The eastern Prairies are under a multi-day thunderstorm threat supported by an upper-level low, a surface low, and lingering heat. This setup will sustain storm potential over the next couple of days.

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Be sure to stay alert to the changing conditions and stay updated on any weather warnings in your area.

Weather Highlights:

  • Thunderstorms are expected across the eastern Prairies over the next few days, driven by lingering heat

  • Most storms will remain non-severe Monday, but could bring localized strong winds, hail, and heavy rainfall

  • Stronger storms are likely in southern Manitoba, including Brandon and Winnipeg, Tuesday, with potential for gusty winds, hail, and rotation

Thunderstorm risks spreads across the easter Prairies early this week

On Monday, scattered thunderstorms are expected in a narrow band over Manitoba, as well as across central and northern Saskatchewan.

Baron - Prairie thunderstorm threat Monday - June 1

Most of these storms are forecast to remain non-severe, though some may produce localized strong wind gusts or small hail. Widespread heavy rain and localized torrential downpours may accompany any storms that develop.

Despite the widespread risk, thunderstorms will remain localized, meaning not all areas are likely to experience them.

Baron - Prairies precipitation Monday 4 pm - June1

Stronger storms develop Tuesday

By Tuesday, stronger atmospheric instability is expected, particularly in southern Manitoba. Daytime highs in the mid-to-upper 20s will contribute to conditions favourable for more intense thunderstorms, including some with rotation.

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Baron - Prairie thunderstorm threat Tuesday - June 1

Areas such as Brandon and Winnipeg have an increased chance of seeing strong afternoon and evening storms, which may bring gusty winds and hail.

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Tuesday's storms will also signal the end of the recent period of intense heat. Residents in affected areas should closely monitor weather updates and remain prepared for rapidly changing conditions.

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