Severe Thunderstorm Warning until 02:00AM Monday 
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... Northeastern Sioux County in northwestern Iowa... Northern O'Brien County in northwestern Iowa...
* Until 200 AM CDT.
* At 111 AM CDT, a severe thunderstorm was located over Matlock, or 7 miles north of Sheldon, moving southeast at 30 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... Sheldon and Ashton around 115 AM CDT. Sanborn around 120 AM CDT. Archer around 125 AM CDT. Melvin around 130 AM CDT. Other locations in the path of this severe thunderstorm include Primghar and Hartley.
* AFFECTED AREAS: LYON, IA ... O'BRIEN, IA ... OSCEOLA, IA ... SIOUX, IA
Instructions:
For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Sioux Falls.
Address/Location
Sioux County Sheriff's Office
4363 Ironwood Ave., Ste 1
Orange City, IA 51250
Contact
Emergency: 9-1-1
Non-emergencies: 712-737-3307