Jefferson County IL Tornado Warnings — Live Alerts & History
Illinois · 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
29
1950–present · NOAA/SPC
Violent (EF3+)
3
10.3% of total
Fatalities
4
98 injuries
Strongest Rating
F4
Fujita / Enhanced Fujita
Most Recent
March 15, 2024
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| June 22, 2026 | 1:30 AM UTC | 1:48 AM UTC |
| June 22, 2026 | 12:01 AM UTC | 12:45 AM UTC |
| June 21, 2026 | 11:42 PM UTC | 12:30 AM UTC |
| June 21, 2026 | 10:07 PM UTC | 10:37 PM UTC |
| June 21, 2026 | 9:40 PM UTC | 10:30 PM UTC |
| February 19, 2026 | 11:04 PM UTC | 11:45 PM UTC |
Jefferson County Facts
- FIPS Code
- 17081
- NWS County Code (UGC)
- ILC081
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.