⚠️ Severe Thunderstorm Warning – Lyon, IA; O’Brien, IA; Osceola, IA; Sioux, IA – Thursday, July 2, 2026

Severe Thunderstorm Warning issued July 2 at 8:48AM CDT until July 2 at 9:30AM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Lyon County in northwestern Iowa…
Southwestern Osceola County in northwestern Iowa…
Sioux County in northwestern Iowa…
Northwestern O’Brien County in northwestern Iowa…

* Until 930 AM CDT.

* At 848 AM CDT, severe thunderstorms were located along a line
extending from Alcester to near Struble, moving northeast at 35
mph.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Severe thunderstorms will be near…
Sioux Center, Ireton, Hudson, and Maurice around 855 AM CDT.
Rock Valley and Fairview around 905 AM CDT.

Other locations in the path of these severe thunderstorms include
Hull, Inwood, Boyden and Doon.

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.

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