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Alerts for: City of Ottawa


5:22 AM EDT Monday 08 August 2022
Rainfall warning in effect for:

  • Ottawa North - Kanata - Orléans
  • Ottawa South - Richmond - Metcalfe

Rain, at times heavy, is expected.

Additional amounts of 30 to 50 mm is expected.
Total rainfall amounts of 50 to 150 mm may lead to water ponding on roadways and localized flooding in low-lying areas.

Now through tonight.

Rain will continue intermittently today before coming to an end late tonight. Some locales have already received more than 100 mm from yesterday.

For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Northern Development, Mines, Natural Resources and Forestry office. Visit for the latest details.

Heavy downpours can cause flash floods and water pooling on roads. If visibility is reduced while driving, turn on your lights and maintain a safe following distance.

Rainfall warnings are issued when significant rainfall is expected.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to or tweet reports using #ONStorm.


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