Natural disasters in Ontario, United States
10 — recorded here, since 10 May 2026
1 in the last 30 days. Most recent: 12 August 2026 (20 days ago).
The 3th strongest of the 10 recorded here since 10 May 2026.
By month
- February 20241
- March 20241
- April 20241
- May 20243
- June 20243
- July 20244
- September 20243
- October 20243
- December 20241
- June 20251
- July 20252
- August 20257
- September 202510
- October 20254
- March 20263
- May 20266
- June 202613
- July 202612
- August 20264
June 2026 is the most active month of the 19 in our series here, with 13 events.
Hazards recorded here
Recent events
- Severe Thunderstorm Warning12 August 202622:24 UTCmediumCS 43
- Severe Thunderstorm Warning22 July 202600:13 UTCmediumCS 34
- Severe Thunderstorm Warning21 July 202623:58 UTCmediumCS 37
- Flash Flood Warning19 July 202600:08 UTCmediumCS 43
- Tornado Warning18 July 202617:16 UTCcriticalCS 67
- Tornado Warning18 July 202617:05 UTCcriticalCS 67
- Severe Thunderstorm Warning18 June 202614:03 UTCmediumCS 432 independent sources
- Severe Thunderstorm Warning11 June 202620:29 UTCmediumCS 37
- Severe Thunderstorm Warning13 May 202619:19 UTCmediumCS 43
- Severe Thunderstorm Warning10 May 202600:39 UTCmediumCS 43