Tornado Warning — Warned Area, IA — Apr 17, 2026
NWS ARX · ETN 26 · National Weather Service warning
Event Summary
The National Weather Service office ARX issued a tornado warning at 20:46 UTC on Apr 17, 2026. The warning was in effect for 44 minutes, ending at Apr 17, 2026 21:30 UTC. At the last radar check, the storm was located near 42.96, -91.87, moving east-northeast at about 43 mph.
Timeline
- Issued
- Last updated
- Ended
Counties Affected
Storm Reports
| Time | Location | County / State | EF | Remarks |
|---|---|---|---|---|
| 3 SE Postville | Clayton, IA | UNK | Chaser video showed a brief tornado southeast of Postville. This tornado is not known to have encountered any damage indicators. Therefore... we are unable to assign th (ARX) |
Preliminary local storm reports (SPC) within the warned area window — subject to revision after NWS surveys.