Headline:
Severe Thunderstorm Warning issued May 17 at 5:43PM CDT until May 17 at 6:45PM CDT by NWS Sioux Falls SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
May 17, 2026 - 3:43pm
Expires:
May 17, 2026 - 4:45pm
Description:
SVRFSD
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Eastern Lyon County in northwestern Iowa...
Central Osceola County in northwestern Iowa...
Eastern Rock County in southwestern Minnesota...
Nobles County in southwestern Minnesota...
Southeastern Murray County in southwestern Minnesota...
* Until 645 PM CDT.
* At 542 PM CDT, severe thunderstorms were located along a line
extending from near Lismore to near Adrian to near Ellsworth,
moving northeast at 35 mph.
HAZARD...70 mph wind gusts and ping pong ball size hail.
SOURCE...Radar indicated. At 536 PM CDT, half dollar size hail was
reported 3 miles southwest of Magnolia.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near...
Adrian, Ellsworth, Leota, and Lismore around 545 PM CDT.
Little Rock, Rushmore, and Wilmont around 550 PM CDT.
Other locations in the path of these severe thunderstorms include
Worthington, Fulda and Brewster.
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.
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
Iowa...and southwestern Minnesota.
Area Description:
Lyon, IA; Osceola, IA; Murray, MN; Nobles, MN; Rock, MN
Forcast Office:
NWS Sioux Falls SD
Sender:
w-nws.webmaster@noaa.gov