Johnson County IA Tornado Warnings — Live Alerts & History
Iowa · updates automatically
Active Tornado Warnings
No active tornado warnings for Johnson 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 Johnson County (Since 1950)
Tornadoes on Record
36
1950–present · NOAA/SPC
Violent (EF3+)
0
0.0% of total
Fatalities
2
35 injuries
Strongest Rating
EF2
Fujita / Enhanced Fujita
Most Recent
May 24, 2024
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| June 11, 2026 | 2:08 PM UTC | 2:45 PM UTC |
| April 24, 2026 | 4:16 AM UTC | 5:00 AM UTC |
| April 17, 2026 | 10:08 PM UTC | 11:00 PM UTC |
| April 2, 2026 | 9:27 PM UTC | 10:15 PM UTC |
| April 2, 2026 | 8:56 PM UTC | 9:45 PM UTC |
Johnson County Facts
- FIPS Code
- 19103
- NWS County Code (UGC)
- IAC103
More for Johnson 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.