Johnson County IL Tornado Warnings — Live Alerts & History
Illinois · updates automatically
Active Tornado Warnings
No active tornado warnings for Johnson 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 Johnson County (Since 1950)
Tornadoes on Record
15
1950–present · NOAA/SPC
Violent (EF3+)
1
6.7% of total
Fatalities
0
4 injuries
Strongest Rating
EF3
Fujita / Enhanced Fujita
Most Recent
April 3, 2025
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| March 16, 2026 | 12:56 AM UTC | 1:24 AM UTC |
| March 16, 2026 | 12:36 AM UTC | 1:15 AM UTC |
| March 16, 2026 | 12:34 AM UTC | 12:49 AM UTC |
Johnson County Facts
- FIPS Code
- 17087
- NWS County Code (UGC)
- ILC087
More for Johnson 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.