Thunderstorm Outlook

Thunderstorm Outlook for August 17, 2022.


Severe storms are possible across portions of the Saskatchewan/Manitoba border. The main threat is heavy rainfall with 50 to 75 mm possible.

Non-severe storms are possible across southern Newfoundland, most of the Maritimes, southwestern Quebec, most of Ontario, and Manitoba and Saskatchewan.

United States:

Severe thunderstorms are possible across parts of the Southeast, Wisconsin, Minnesota, and Arizona. The main threats will be strong winds.

To learn more about the terms used in the thunderstorm outlook, visit our glossary.


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