Harrison County IA Tornado Warnings — Live Alerts & History
Iowa · updates automatically
Active Tornado Warnings
No active tornado warnings for Harrison County right now
This page updates automatically — new NWS tornado warnings for the county appear here within about a minute of issuance.
Tornado History for Harrison County (Since 1950)
Tornadoes on Record
28
1950–present · NOAA/SPC
Violent (EF3+)
4
14.3% of total
Fatalities
6
69 injuries
Strongest Rating
EF3
Fujita / Enhanced Fujita
Most Recent
May 24, 2024
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| July 9, 2026 | 2:45 AM UTC | 3:10 AM UTC |
| May 18, 2026 | 1:28 AM UTC | 1:53 AM UTC |
| May 18, 2026 | 1:04 AM UTC | 1:30 AM UTC |
| April 23, 2026 | 6:37 PM UTC | 7:15 PM UTC |
Harrison County Facts
- FIPS Code
- 19085
- NWS County Code (UGC)
- IAC085
More for Harrison County
Recent warning events
Active warnings come from the National Weather Service and refresh on
this page about once a minute. Tornado climatology is computed from the
NOAA/SPC storm events archive (1950–present). VORTEX is not a substitute
for official NWS warnings or a NOAA Weather Radio.