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

The National Weather Service in Sioux Falls has confirmed a tornado in Lyon County, Iowa, that occurred during Monday's ...

It has now been confirmed that during the midst of Monday’s (7/28/2025) derecho in northwest Iowa — which is a line of severe ...

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

Earlier this week, a storm hit the community of Hudson, South Dakota. According to a National Weather Service report, the July 28 storm produced three tornadoes in ...

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.

The thunderstorm risk level went from enhanced to moderate for the area, with timing now pushed back to between 5 p.m. and 1 ...

Thousands were without power and damage was seen across the Siouxland area after storms moved into the area on Monday, July ...

Monday’s storm system produced two tornadoes in Gregory County and a third near Alvord, Iowa, in Lyon County, the National ...

A 2020 derecho caused widespread damage across Massachusetts and southern New England. What to know about these destructive storms.