Headline:
Severe Thunderstorm Warning issued May 31 at 9:43PM CDT until May 31 at 10:30PM CDT by NWS Sioux Falls SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
May 31, 2026 - 7:43pm
Expires:
May 31, 2026 - 8:30pm
Description:
SVRFSD
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Northwestern Plymouth County in northwestern Iowa...
Southeastern Clay County in southeastern South Dakota...
Union County in southeastern South Dakota...
* Until 1030 PM CDT.
* At 943 PM CDT, a severe thunderstorm was located near Union Grove
State Park, or near Vermillion, moving east at 25 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near...
Union Grove State Park around 950 PM CDT.
Akron around 1005 PM CDT.
Other locations impacted by this severe thunderstorm include
Westfield.
Instruction:
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
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.
Area Description:
Plymouth, IA; Clay, SD; Union, SD
Forcast Office:
NWS Sioux Falls SD
Sender:
w-nws.webmaster@noaa.gov