St. Louis County MO Tornado Warnings — Live Alerts & History
Missouri · updates automatically
Active Tornado Warnings
No active tornado warnings for St. Louis 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. Louis County (Since 1950)
Tornadoes on Record
42
1950–present · NOAA/SPC
Violent (EF3+)
3
7.1% of total
Fatalities
4
241 injuries
Strongest Rating
F4
Fujita / Enhanced Fujita
Most Recent
June 4, 2025
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| April 27, 2026 | 11:41 PM UTC | 12:13 AM UTC |
| April 27, 2026 | 8:19 PM UTC | 9:00 PM UTC |
| April 27, 2026 | 5:27 PM UTC | 6:15 PM UTC |
| April 16, 2026 | 2:40 AM UTC | 3:23 AM UTC |
| March 15, 2026 | 9:47 PM UTC | 10:10 PM UTC |
St. Louis County Facts
- FIPS Code
- 29189
- NWS County Code (UGC)
- MOC189
More for St. Louis 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.