Headline:
Severe Thunderstorm Warning issued May 17 at 7:20PM CDT until May 17 at 8:00PM CDT by NWS Sioux Falls SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
May 17, 2026 - 5:20pm
Expires:
May 17, 2026 - 6:00pm
Description:
SVRFSD
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Southeastern Osceola County in northwestern Iowa...
Northwestern O'Brien County in northwestern Iowa...
* Until 800 PM CDT.
* At 720 PM CDT, a severe thunderstorm was located near Ashton, or
near Sheldon, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and half dollar 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...
Sanborn, Ashton, and Melvin around 725 PM CDT.
Ocheyedan around 740 PM CDT.
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.
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
Iowa.
Area Description:
O'Brien, IA; Osceola, IA
Forcast Office:
NWS Sioux Falls SD
Sender:
w-nws.webmaster@noaa.gov