Headline:
Severe Thunderstorm Warning issued June 28 at 4:43AM CDT until June 28 at 5:30AM CDT by NWS Sioux Falls SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
June 28, 2026 - 2:43am
Expires:
June 28, 2026 - 3:30am
Description:
At 442 AM CDT, severe thunderstorms were located along a line
extending from Sherman to Valley Springs to near Canton, moving east
at 45 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Mesonet. At 4:40 AM CDT, a personal weather station
reported a wind gust of 67 mph, 2 miles south-southeast of
Lennox.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Larchwood, Inwood, Hills, Beaver Creek, Lester, Luverne, Blue
Mounds State Park, Hardwick, Alvord and Rock Rapids.
Instruction:
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Area Description:
Lyon, IA; Rock, MN; Lincoln, SD; Minnehaha, SD; Turner, SD
Forcast Office:
NWS Sioux Falls SD
Sender: