United States

Natural disasters in Harrison, United States

Right now

No events recorded here in the last 24 hours.

The most recent data we hold from Iowa Environmental Mesonet (Iowa State University) arrived 2 minutes ago. We record detections, not passes: an absence is not proof that nothing is there.

31, recorded here, since 10 March 2026

2 in the last 30 days. Most recent: 1 October 2026 (24 days ago).

The 17th strongest of the 31 recorded here since 10 March 2026.

By month

  • February 20241 detections
  • March 202411 detections
  • April 202425 detections
  • May 20245 detections
  • August 20245 detections
  • September 20241 detections
  • November 20243 detections
  • December 20242 detections
  • February 20255 detections
  • March 202511 detections
  • April 202521 detections
  • May 20259 detections
  • June 20251 detections
  • July 20252 detections
  • August 20253 detections
  • November 202512 detections
  • February 20261 detections
  • March 20261
  • May 202611
  • June 20269
  • July 20264
  • September 20264
  • October 20262

May 2026 is the most active month of the 6 in our series here, with 11 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

FloodsHigh

Flash flood, 1 W Persia, Harrison Co., IA

1 October 2026time not reported by the sourceIndex 35 · version not recorded
FloodsHigh

Flash flood, 2 N Missouri Valley, Harrison Co., IA

1 October 2026time not reported by the sourceIndex 35 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

15 September 2026time not reported by the sourceIndex 41 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

15 September 2026time not reported by the sourceIndex 41 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

15 September 2026time not reported by the sourceIndex 41 · version not recorded4 independent sources
Severe WeatherMedium

Heat Advisory, Harrison

3 September 2026time not reported by the sourceIndex 41 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

9 July 2026time not reported by the sourceIndex 48 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

9 July 2026time not reported by the sourceIndex 48 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

9 July 2026time not reported by the sourceIndex 48 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

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

Severe Thunderstorm Warning

13 June 2026time not reported by the sourceIndex 22 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

13 June 2026time not reported by the sourceIndex 22 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

1 June 2026time not reported by the sourceIndex 22 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

1 June 2026time not reported by the sourceIndex 22 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

1 June 2026time not reported by the sourceIndex 22 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

1 June 2026time not reported by the sourceIndex 22 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

1 June 2026time not reported by the sourceIndex 22 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

1 June 2026time not reported by the sourceIndex 22 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

1 June 2026time not reported by the sourceIndex 22 · version not recorded3 independent sources
Severe WeatherCritical

Tornado Warning

22 May 2026time not reported by the sourceIndex 72 · version not recorded2 independent sources
Severe WeatherCritical

Tornado Warning

22 May 2026time not reported by the sourceIndex 72 · version not recorded2 independent sources
Severe WeatherCritical

Tornado Warning

18 May 2026time not reported by the sourceIndex 72 · version not recorded5 independent sources
Severe WeatherCritical

Tornado Warning

18 May 2026time not reported by the sourceIndex 46 · version not recorded5 independent sources
Severe WeatherCritical

Tornado Warning

18 May 2026time not reported by the sourceIndex 72 · version not recorded5 independent sources
Severe WeatherCritical

Tornado Warning

18 May 2026time not reported by the sourceIndex 72 · version not recorded8 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

16 May 2026time not reported by the sourceIndex 48 · version not recorded3 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

16 May 2026time not reported by the sourceIndex 48 · version not recorded3 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

16 May 2026time not reported by the sourceIndex 48 · version not recorded3 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

16 May 2026time not reported by the sourceIndex 22 · version not recorded11 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

16 May 2026time not reported by the sourceIndex 22 · version not recorded11 independent sources
WildfiresLow

Satellite heat detection

10 March 2026time not reported by the sourceIndex 27 · 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