Boone County IL Tornado Warnings — Live Alerts & History
Illinois · updates automatically
Active Tornado Warnings
No active tornado warnings for Boone 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 Boone County (Since 1950)
Tornadoes on Record
15
1950–present · NOAA/SPC
Violent (EF3+)
2
13.3% of total
Fatalities
24
455 injuries
Strongest Rating
F4
Fujita / Enhanced Fujita
Most Recent
June 4, 2025
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| April 18, 2026 | 12:09 AM UTC | 12:45 AM UTC |
| April 17, 2026 | 10:07 PM UTC | 10:37 PM UTC |
Boone County Facts
- FIPS Code
- 17007
- NWS County Code (UGC)
- ILC007
More for Boone 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.