Jefferson County IA Tornado Warnings — Live Alerts & History
Iowa · updates automatically
Active Tornado Warnings
No active tornado warnings for Jefferson 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 Jefferson County (Since 1950)
Tornadoes on Record
9
1950–present · NOAA/SPC
Violent (EF3+)
1
11.1% of total
Fatalities
0
Direct deaths
Strongest Rating
F3
Fujita / Enhanced Fujita
Most Recent
May 17, 2017
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| April 17, 2026 | 9:36 PM UTC | 10:30 PM UTC |
| April 17, 2026 | 9:27 PM UTC | 10:15 PM UTC |
| April 14, 2026 | 10:45 PM UTC | 11:21 PM UTC |
| April 2, 2026 | 8:18 PM UTC | 9:00 PM UTC |
| March 10, 2026 | 11:38 PM UTC | 11:58 PM UTC |
| July 11, 2025 | 7:54 PM UTC | 8:45 PM UTC |
| July 11, 2025 | 7:38 PM UTC | 7:51 PM UTC |
Jefferson County Facts
- FIPS Code
- 19101
- NWS County Code (UGC)
- IAC101
More for Jefferson 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.