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45.45 °N, 75.63 °W

Ottawa, Ontario, Canada Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Ottawa, Ontario, Canada
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Yellow Advisory - Frost
Issued: 9:37 PM Sep. 21, 2026 – Environment and Climate Change Canada
Conditions are favourable for the development of frost tonight.

Patchy frost is likely early Tuesday morning.

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Damage to plants, trees, and crops is possible.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.
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