United States

Severe Weather in Ottawa, United States

Right now

No severe weather recorded here in the last 24 hours.

The most recent data we hold from NOAA arrived 8 minutes ago. We record detections, not passes: an absence is not proof that nothing is there.

44, recorded here, since 15 May 2026

No events recorded in the last 30 days. Most recent: 13 August 2026 (73 days ago).

The 3rd strongest of the 44 recorded here since 15 May 2026.

By month

  • May 20268
  • June 202621
  • July 202612
  • August 20263

June 2026 is the most active month of the 4 in our series here, with 21 events.

Recent events

Severe WeatherMedium

Severe Thunderstorm Warning

13 August 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

13 August 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

13 August 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

26 July 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Flood Warning

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

Flood Warning

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

Flood Warning

24 July 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Flood Warning

24 July 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Flood Warning

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

Flood Warning

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

Flood Warning

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

Flood Warning

24 July 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Flash Flood Warning

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

Flood Warning

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

Flood Warning

24 July 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

13 June 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

13 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

13 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

12 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

12 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

12 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

12 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

12 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

11 June 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Flood Warning

10 June 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Flash Flood Warning

9 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flash Flood Warning

9 June 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

9 June 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

9 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

9 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

5 June 2026time not reported by the sourceIndex 16 · version not recorded
Severe WeatherMedium

Flood Warning

5 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

5 June 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Flood Warning

2 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

1 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

1 June 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Flood Warning

31 May 2026time not reported by the sourceIndex 28 · version not recorded2 independent sources
Severe WeatherMedium

Flood Warning

31 May 2026time not reported by the sourceIndex 34 · version not recorded27 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

31 May 2026time not reported by the sourceIndex 22 · version not recorded
Severe WeatherMedium

Flood Warning

30 May 2026time not reported by the sourceIndex 28 · version not recorded

Other areas

Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

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