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 ...

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

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 ...

An additional two tornadoes formed in Iowa during storms this past week.That's from damage surveys conducted by the National ...

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

Severe thunderstorms are expected to hit eastern South Dakota in the late afternoon July 28, potentially bringing hurricane-force winds to the region.

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.

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 ...

BREAKING: Parts of South Dakota face a dangerous weather situation today as conditions favor the development of a derecho - a ...