Here are the latest active watch alerts from Environment Canada as of June 23, 2025, for severe thunderstorms and possible tornadoes:
🌩️ Active Severe Thunderstorm / Tornado Watches
Northern & Northeastern Ontario
Under a Severe Thunderstorm Watch, which may include isolated tornado risk: Timmins, Kapuskasing, and surrounding areas. Wind gusts up to 110 km/h, hail ranging from nickel to ping-pong–ball size, heavy rain, and a possibility of isolated tornadoes are among the hazards CTVNews+8INsauga | Ontario Local News Network+8Reddit+8.
Southern & Central Ontario (June 13, 2024 Event)
Though not current, historically similar alerts covered:
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Northern York Region
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Northern Durham Region
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Barrie, Orillia, Midland, Collingwood
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Algonquin Park, Bancroft, Bracebridge, Huntsville
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Peterborough, Kawartha Lakes
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Renfrew, Pembroke, Barry’s Bay (Ottawa‑Valley corridor) WikipediaWikipedia+9CityNews Kitchener+9Bay Today+9
These alerts warned of severe thunderstorms capable of producing tornadoes, with wind gusts to 110 km/h, large hail, and torrential rainfall Over Here Toronto+14CityNews Kitchener+14INsauga | Ontario Local News Network+14.
📍 Summary of Affected Areas
Currently under watch (June 23, 2025):
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Northeastern Ontario: Timmins, Kapuskasing, nearby regions.
In past similar watches (June 2024):
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Greater Toronto Area fringes: Newmarket, north York & Durham Regions, Barrie, Orillia, and up toward Muskoka, Peterborough, Kawartha Lakes.
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Eastern Ontario: Renfrew, Pembroke, Barry’s Bay.
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Mid-Central Ontario: Algonquin Park, Bracebridge, Huntsville, Collingwood, Orangeville, Dufferin County Over Here Toronto+8Cambridge Today+8INsauga | Ontario Local News Network+8instantweatherinc.com+2CityNews Kitchener+2Reddit+2.
⚠️ What to Do If You’re in Watch Areas
A Tornado Watch indicates conditions are favourable for tornado formation—but does not guarantee one will occur. It signals the need to:
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Prepare to seek shelter. Move to a basement or interior room, away from windows and outside walls.
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Stay alert through:
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Environment Canada alerts,
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Local radio or TV,
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Emergency notification apps or phone alerts Midland Today+12Wikipedia+12Reddit+12CTVNews+4CityNews Kitchener+4Over Here Toronto+4Cambridge Today+1Reddit+1Reddit+10Reddit+10Wikipedia+10.
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Secure outdoor objects, avoid driving if possible, and move into sturdy buildings rather than trailers or tents.
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If a warning (Tornado Warning or Severe Thunderstorm Warning) is issued, take action immediately.
🗓️ Why Some Sources Refer to June 2024
The June 2025 watch occurred for northern Ontario (Timmins, Kapuskasing) on June 23, 2025 Over Here TorontoReddit+9INsauga | Ontario Local News Network+9Reddit+9. Many cited June 2024 alerts provide context on patterns and areas that commonly fall under such watches, but those increased risks may or may not align exactly with current boundaries.
✅ Quick Reference Table
Date | Alerts | Affected Areas |
---|---|---|
June 23, 2025 | Severe Thunderstorm Watch | Timmins, Kapuskasing, northeastern Ontario |
June 2024 | Tornado & Thunderstorm Watches | Northern York & Durham, Barrie, Orillia, Muskoka, Peterborough, Kawartha Lakes, Renfrew–Pembroke corridor |
📌 Next Steps
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Check Environment Canada’s alerts page or app frequently—they may update or expand watch areas as storms evolve.
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If you receive a Tornado Warning, do not delay: move to safe shelter immediately.
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Stay indoors when thunder is within 30 seconds of lightning (lightning kills).
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Monitor forecasts through official channels and use trusted weather apps for updates.