⚠️ Severe Thunderstorm Warning – Plymouth, IA; Sioux, IA; Woodbury, IA; Dakota, NE; Dixon, NE; Clay, SD; Union, SD – Tuesday, June 30, 2026

Severe Thunderstorm Warning issued June 30 at 1:14AM 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…
Northwestern Woodbury County in west central Iowa…
Southwestern Sioux County in northwestern Iowa…
Plymouth County in northwestern Iowa…
Dakota County in northeastern Nebraska…
Northeastern Dixon County in northeastern Nebraska…
Southeastern Clay County in southeastern South Dakota…
Union County in southeastern South Dakota…

* Until 200 AM CDT.

* At 113 AM CDT, severe thunderstorms were located along a line
extending from Newcastle to Ponca to near Homer, moving northeast
at 50 mph.

HAZARD…70 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.

* Severe thunderstorms will be near…
Sioux City, South Sioux City, Sergeant Bluff, North Sioux City,
Elk Point, Dakota City, Jefferson, Jackson In Dakota County, and
Ponca State Park around 120 AM CDT.
Akron around 130 AM CDT.
Hinton around 135 AM CDT.
Merrill around 140 AM CDT.
Le Mars, Hawarden, and Craig around 145 AM CDT.

Other locations impacted by these severe thunderstorms include
Chatsworth, Brunsville, Waterbury, Westfield, and Winnebago
Reservation.

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 these storms, 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.