Severe Thunderstorm Warning until 05:00AM 
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for... Lyon County in northwestern Iowa... Northwestern Osceola County in northwestern Iowa... Sioux County in northwestern Iowa... Rock County in southwestern Minnesota... Southern Nobles County in southwestern Minnesota... Southeastern Minnehaha County in southeastern South Dakota... Lincoln County in southeastern South Dakota... Northern Union County in southeastern South Dakota...
* Until 500 AM CDT.
* At 421 AM CDT, severe thunderstorms were located along a line extending from near Sherman to near Rowena to near Beresford, moving east at 60 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near... Garretson, Valley Springs, Sherman and Rowena around 425 AM CDT. Canton, Larchwood and Beaver Creek around 430 AM CDT. Luverne, Inwood, Hills, Lester, Fairview, Blue Mounds State Park and Newton Hills State Park around 435 AM CDT. Hudson and Alvord around 440 AM CDT. Other locations in the path of these severe thunderstorms include Rock Rapids, Rock Valley, Doon, Adrian, Ellsworth, Sioux Center, Hull, George, Boyden, Rushmore, Maurice, Worthington, Orange City, Sibley, Alton, Little Rock and Matlock.
* AFFECTED AREAS: LYON, IA ... OSCEOLA, IA ... SIOUX, IA ... NOBLES, MN ... ROCK, MN ... LINCOLN, SD ... MINNEHAHA, SD ... UNION, SD
Instructions:
This is a DANGEROUS SITUATION. These storms are producing widespread wind damage across eastern South Dakota. SEEK SHELTER NOW inside a sturdy structure and stay away from windows!
Address/Location
Rock County Sheriff's Office MN
1000 N Blue Mound Ave
Luverne, MN 56156
Contact
Emergency: 9-1-1
Non-emergencies: 507-283-5000