Todd Heitkamp, a National Weather Service meteorologist, said the line of storms appeared to coalesce into a derecho around.

Parts of Lincoln County were not as lucky as Sioux Falls, including what the Lincoln County Sheriff's Office called ...

The last time a derecho hit eastern South Dakota, the sky above Sioux Falls turned green, prompting Reddit users to create ...

While two derechos in less than two months is extremely unusual for South Dakota, experts say it's just that — a fluke.

A moderate threat for severe storms is in place for parts of South Dakota and Minnesota on Monday afternoon into the evening due to the threat of a derecho.

Finally, a day without the threat of severe weather. Since Saturday, the weather service has issued 160 warnings…including 19 ...

Much of eastern South Dakota continues to be in a hazardous weather outlook on Tuesday, with a 40 percent chance of showers ...

Severe Thunderstorm Watch in effect for parts of South Dakota and surrounding states, including Sioux Falls, with risks of ...

Barns were collapsed and a cell tower tipped over in Lincoln County, a result of two strong storm cells that swept the Sioux ...

Severe Thunderstorm Watch is in effect for Sioux Falls and surrounding areas, with wind gusts up to 70 mph and large hail ...

Heat advisories have already been issued for Saturday for counties west of Sioux Falls. The heat index is expected to reach ...

A Heat Advisory is in effect for eastern South Dakota today, with temperatures soaring into the 90s and humidity pushing the ...