Severe Weather in Ottawa, United States
6 — recorded here, since 12 June 2026
1 in the last 30 days. Most recent: 7 August 2026 (28 days ago).
Nothing stronger among the 6 recorded here since 12 June 2026: 4 others scored the same.
By month
- April 20262
- May 20265
- June 202611
- August 20266
June 2026 is the most active month of the 4 in our series here, with 11 events.
Recent events
- Severe Thunderstorm Warning7 August 202602:22 UTCmediumCS 39
- Flood Warning30 June 202613:16 UTCmediumCS 39
- Flood Warning29 June 202619:42 UTCmediumCS 39
- Flash Flood Warning27 June 202605:24 UTCmediumCS 392 independent sources
- Flash Flood Warning23 June 202622:25 UTCmediumCS 39
- Severe Thunderstorm Warning12 June 202601:08 UTCmediumCS 32