NWS Sioux Falls SDSV.W 0131June 28, 2026
Severe Thunderstorm Warning: Plymouth, Sioux, Clay and 2 more, IA and SD
The National Weather Service office in Sioux Falls issued a severe thunderstorm warning for Plymouth, Sioux, Clay and 2 more in Iowa, South Dakota, which was in force until 5:30 a.m. local time on June 28. It was the 131st severe thunderstorm warning the NWS office in Sioux Falls issued in 2026. Iowa had 154 severe thunderstorm warnings in June 2026, against 172 in an average June of 2008-2025 (Iowa's severe thunderstorm warnings by year).
ExpiredWarning
In force for 53 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Sioux Falls SD
- Area
- Plymouth, Sioux, Clay and 2 more
- State
- Iowa
- Level
- Warning
- Issued
- 4:37 a.m. CDT, June 28, 2026
- Expires
- 5:30 a.m. CDT, June 28, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KFSD SV.W 0131
- Official source
- National Weather Service: the notice at its source
Severe Thunderstorm Warnings in Iowa since 2008Every warning type in Iowa
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVRFSD The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Western Sioux County in northwestern Iowa... Northwestern Plymouth County in northwestern Iowa... Clay County in southeastern South Dakota... Southern Lincoln County in southeastern South Dakota... Northern Union County in southeastern South Dakota... * Until 530 AM CDT. * At 436 AM CDT, severe thunderstorms were located along a line extending from 7 miles east of Davis to near Centerville to 7 miles southeast of Wakonda, moving east at 40 mph. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Mesonet. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Beresford around 440 AM CDT. Union Grove State Park around 445 AM CDT. Alcester and Newton Hills State Park around 450 AM CDT. Fairview around 455 AM CDT. Other locations in the path of these severe thunderstorms include Hudson, Hawarden, Rock Valley and Ireton.
What the agency told people to do
Prepare immediately for large hail and damaging winds. People outside should move immediately to shelter inside a strong building. Stay away from windows. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Severe Thunderstorm Warnings in Iowa since 2008563 a year
- Every warning type in Iowa
- Severe Thunderstorm Warning: what it means, and the states that get the most20,005 a year
- NWS notices, June 20265,183 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels