Calhoun County IA Tornado Warnings — Live Alerts & History
Iowa · updates automatically
Active Tornado Warnings
No active tornado warnings for Calhoun 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 Calhoun County (Since 1950)
Tornadoes on Record
33
1950–present · NOAA/SPC
Violent (EF3+)
4
12.1% of total
Fatalities
1
Direct deaths
Strongest Rating
F4
Fujita / Enhanced Fujita
Most Recent
April 16, 2024
Latest tornado on record
Recent Tornado Warning History
| Date | Issued | Expired |
|---|---|---|
| May 18, 2026 | 2:12 AM UTC | 3:00 AM UTC |
| May 18, 2026 | 2:05 AM UTC | 2:45 AM UTC |
| May 18, 2026 | 1:35 AM UTC | 2:15 AM UTC |
Calhoun County Facts
- FIPS Code
- 19025
- NWS County Code (UGC)
- IAC025
More for Calhoun 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.