Headline:
Severe Thunderstorm Warning issued May 17 at 5:56PM CDT until May 17 at 7:00PM CDT by NWS Sioux Falls SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
May 17, 2026 - 3:56pm
Expires:
May 17, 2026 - 5:00pm
Description:
SVRFSD
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Southeastern Lyon County in northwestern Iowa...
Southwestern Osceola County in northwestern Iowa...
Northern Sioux County in northwestern Iowa...
Northwestern O'Brien County in northwestern Iowa...
* Until 700 PM CDT.
* At 556 PM CDT, a severe thunderstorm was located over Doon, or 12
miles north of Sioux Center, moving east at 40 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.
* This severe thunderstorm will be near...
Hull and Doon around 600 PM CDT.
George and Boyden around 605 PM CDT.
Matlock around 610 PM CDT.
Other locations in the path of this severe thunderstorm include
Ashton and Melvin.
Instruction:
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
Iowa...and southeastern South Dakota.
Area Description:
Lyon, IA; O'Brien, IA; Osceola, IA; Sioux, IA
Forcast Office:
NWS Sioux Falls SD
Sender:
w-nws.webmaster@noaa.gov