Lyon County IA Tornado Warnings — Live Alerts & History
Iowa · updates automatically
Active Tornado Warnings
No active tornado warnings for Lyon 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 Lyon County (Since 1950)
Tornadoes on Record
42
1950–present · NOAA/SPC
Violent (EF3+)
1
2.4% of total
Fatalities
0
18 injuries
Strongest Rating
EF4
Fujita / Enhanced Fujita
Most Recent
July 29, 2025
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| May 17, 2026 | 9:27 PM UTC | 10:15 PM UTC |
| July 29, 2025 | 2:34 AM UTC | 3:00 AM UTC |
Lyon County Facts
- FIPS Code
- 19119
- NWS County Code (UGC)
- IAC119
More for Lyon 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.