8/16/2025 5:10:00 AM until 8/16/2025 5:30:00 AM

For your protection move to an interior room on the lowest floor of a building.

At 509 AM CDT, severe thunderstorms were located along a line extending from Summit to near Big Stone City to near Correll, moving northeast at 30 mph. HAZARD...70 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Milbank, Sisseton, Ortonville, Agency Village, Browns Valley, Graceville, Wilmot, Big Stone City, Clinton, Summit, Beardsley, Peever, Odessa, Revillo, Corona, Stockholm, Artichoke, Strandburg, Twin Brooks, and La Bolt.