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

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

Severe storms moved through the area Monday night into Tuesday morning. The storm system that moved from South Dakota through ...

WASHINGTON — Strong storms that brought hurricane-force winds to an area stretching from the Upper Plains to the Midwest have been preliminarily classified by the National Weather Service as a derecho ...

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

The second tornado of the evening, rated EF-1, spawned approximately one mile east of Alvord, Iowa, or 11 miles northeast of Inwood. The tornado was not witnessed by storm chasers or law enforcement, ...