Grundy County IL Tornado Warnings — Live Alerts & History
Illinois · updates automatically
Active Tornado Warnings
No active tornado warnings for Grundy 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 Grundy County (Since 1950)
Tornadoes on Record
21
1950–present · NOAA/SPC
Violent (EF3+)
1
4.8% of total
Fatalities
2
106 injuries
Strongest Rating
EF3
Fujita / Enhanced Fujita
Most Recent
July 16, 2024
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| June 11, 2026 | 11:07 PM UTC | 11:45 PM UTC |
| June 11, 2026 | 10:55 PM UTC | 11:32 PM UTC |
| June 10, 2026 | 8:22 PM UTC | 8:45 PM UTC |
| April 18, 2026 | 2:23 AM UTC | 3:15 AM UTC |
Grundy County Facts
- FIPS Code
- 17063
- NWS County Code (UGC)
- ILC063
More for Grundy 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.