St. Clair County IL Tornado Warnings — Live Alerts & History
Illinois · updates automatically
Active Tornado Warnings
No active tornado warnings for St. Clair 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 St. Clair County (Since 1950)
Tornadoes on Record
50
1950–present · NOAA/SPC
Violent (EF3+)
3
6.0% of total
Fatalities
6
106 injuries
Strongest Rating
F3
Fujita / Enhanced Fujita
Most Recent
April 21, 2025
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| June 21, 2026 | 10:02 PM UTC | 10:45 PM UTC |
| April 28, 2026 | 12:52 AM UTC | 1:30 AM UTC |
| April 27, 2026 | 7:01 PM UTC | 7:28 PM UTC |
| April 27, 2026 | 5:27 PM UTC | 6:15 PM UTC |
| March 15, 2026 | 10:34 PM UTC | 11:08 PM UTC |
| March 15, 2026 | 10:19 PM UTC | 11:06 PM UTC |
| March 15, 2026 | 10:05 PM UTC | 10:39 PM UTC |
| March 11, 2026 | 10:05 AM UTC | 10:30 AM UTC |
St. Clair County Facts
- FIPS Code
- 17163
- NWS County Code (UGC)
- ILC163
More for St. Clair 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.