⚠️ Severe Thunderstorm Warning – O’Brien, IA; Sioux, IA – Tuesday, June 30, 2026

Severe Thunderstorm Warning issued June 30 at 1:34AM CDT until June 30 at 2:00AM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Eastern Sioux County in northwestern Iowa…
West central O’Brien County in northwestern Iowa…

* Until 200 AM CDT.

* At 134 AM CDT, a severe thunderstorm was located over Sioux Center,
moving northeast at 35 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near…
Sioux Center, Orange City, Hull, and Alton around 140 AM CDT.
Boyden and Hospers around 145 AM CDT.

Instructions

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sioux Falls.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.