Jefferson County MO Tornado Warnings — Live Alerts & History
Missouri · 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
39
1950–present · NOAA/SPC
Violent (EF3+)
2
5.1% of total
Fatalities
2
10 injuries
Strongest Rating
EF3
Fujita / Enhanced Fujita
Most Recent
June 8, 2025
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| April 27, 2026 | 11:31 PM UTC | 12:30 AM UTC |
Jefferson County Facts
- FIPS Code
- 29099
- NWS County Code (UGC)
- MOC099
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.