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 ...

Counting those from this week, just 22 tornadoes have struck Iowa so far this year. That's much lower than normal. The state ...

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

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

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

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

A fierce and long-lasting line of severe thunderstorms called a derecho is likely to tear across the Northern Plains to kick ...

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

A dangerous derecho is expected to form in parts of the Northern Plains and Upper Midwest on Monday, with wind gusts over 75 ...

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

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 ...