Stephenson County IL Tornado Warnings — Live Alerts & History
Illinois · updates automatically
Active Tornado Warnings
No active tornado warnings for Stephenson 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 Stephenson County (Since 1950)
Tornadoes on Record
19
1950–present · NOAA/SPC
Violent (EF3+)
0
0.0% of total
Fatalities
1
Direct deaths
Strongest Rating
F2
Fujita / Enhanced Fujita
Most Recent
July 16, 2024
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| July 3, 2026 | 10:42 PM UTC | 11:24 PM UTC |
| May 17, 2026 | 3:49 PM UTC | 3:53 PM UTC |
| April 24, 2026 | 4:46 AM UTC | 5:11 AM UTC |
| April 17, 2026 | 9:09 PM UTC | 9:48 PM UTC |
| April 17, 2026 | 8:27 PM UTC | 9:15 PM UTC |
| April 17, 2026 | 7:48 PM UTC | 8:30 PM UTC |
| April 16, 2026 | 12:59 AM UTC | 1:19 AM UTC |
| April 15, 2026 | 11:05 PM UTC | 11:45 PM UTC |
| April 15, 2026 | 12:45 AM UTC | 1:20 AM UTC |
Stephenson County Facts
- FIPS Code
- 17177
- NWS County Code (UGC)
- ILC177
More for Stephenson 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.