National Weather Service United States Department of Commerce

Strong to severe thunderstorms are expected across parts of the area overnight. Hazards could include wind gusts up to 75 mph and hail up to 1 inch in diameter. Tornadoes appear unlikely east of a line from Bismarck to Rugby.
Another potential round of severe thunderstorms moves through the region Sunday afternoon into the overnight hours. Hazards could include hail up to the size of golf balls, wind gusts to 75 mph, and isolated tornadoes.
Severe thunderstorms are possible once more on Monday across parts of the region. Timing remains uncertain, and will ultimately determine how much of the area could see hazardous weather. Potential hazards could include large hail up to the size of golf balls, damaging wind gusts to 75 mph, and tornadoes.