United States

Natural disasters in Ontario, United States

Right now

No events recorded here in the last 24 hours.

The most recent data we hold from NOAA arrived 9 minutes ago. We record detections, not passes: an absence is not proof that nothing is there.

24, recorded here, since 9 May 2026

No events recorded in the last 30 days. Most recent: 12 August 2026 (80 days ago).

The 5th strongest of the 24 recorded here since 9 May 2026.

By month

  • February 20241 detections
  • March 20241 detections
  • April 20241 detections
  • May 20243 detections
  • June 20243 detections
  • July 20244 detections
  • September 20243 detections
  • October 20243 detections
  • December 20241 detections
  • June 20251 detections
  • July 20252 detections
  • August 20257 detections
  • September 202510 detections
  • October 20254 detections
  • May 20264
  • June 20266
  • July 202612
  • August 20262

July 2026 is the most active month of the 4 in our series here, with 12 events.

The months before live collection count satellite fire detections imported from the NASA FIRMS archive, one for each cell of about 110 m on each day, not fires: they cannot be compared with the months after.

Hazards recorded here

Recent events

Severe WeatherMedium

Severe Thunderstorm Warning

12 August 2026time not reported by the sourceIndex 43 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

12 August 2026time not reported by the sourceIndex 43 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

22 July 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

21 July 2026time not reported by the sourceIndex 37 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

21 July 2026time not reported by the sourceIndex 37 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

21 July 2026time not reported by the sourceIndex 37 · version not recorded
Severe WeatherMedium

Flash Flood Warning

19 July 2026time not reported by the sourceIndex 43 · version not recorded
Severe WeatherMedium

Flash Flood Warning

18 July 2026time not reported by the sourceIndex 43 · version not recorded
Severe WeatherCritical

Tornado Warning

18 July 2026time not reported by the sourceIndex 58 · version not recorded
Severe WeatherCritical

Tornado Warning

18 July 2026time not reported by the sourceIndex 58 · version not recorded
Severe WeatherCritical

Tornado Warning

18 July 2026time not reported by the sourceIndex 67 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

18 July 2026time not reported by the sourceIndex 43 · version not recorded
Severe WeatherCritical

Tornado Warning

18 July 2026time not reported by the sourceIndex 67 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

18 July 2026time not reported by the sourceIndex 37 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

18 June 2026time not reported by the sourceIndex 34 · version not recorded3 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

18 June 2026time not reported by the sourceIndex 39 · version not recorded3 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

18 June 2026time not reported by the sourceIndex 43 · version not recorded2 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

11 June 2026time not reported by the sourceIndex 37 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

11 June 2026time not reported by the sourceIndex 37 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

11 June 2026time not reported by the sourceIndex 37 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

13 May 2026time not reported by the sourceIndex 43 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

10 May 2026time not reported by the sourceIndex 43 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

10 May 2026time not reported by the sourceIndex 43 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

9 May 2026time not reported by the sourceIndex 43 · version not recorded

Other areas

Series begins 8 March 2026 for live collection; the monthly chart also counts backfilled detections from 10 February 2024. Collection gap: 14-26 August 2026.

Administrative boundaries: geoBoundaries (geoboundaries.org), Public Domain. geoboundaries.org