Strong storms in an area stretching from the Upper Plains to the Midwest have been preliminarily classified by the National ...

Severe thunderstorms could continue into July 29, bringing havoc to morning commutes in Chicago, Milwaukee and Indianapolis.

The most intense storms, with wind gusts potentially exceeding 75 m.p.h., were forecast for central and eastern South Dakota, ...

Potent storms were hitting the northern U.S. on Monday, with a potential to turn into a derecho with hurricane-force winds.

Meteorologist Reed Timmer has circled Minnesota in advance of his storm chasing plans this week, and he says the active ...

Sometimes referred to as an inland hurricane, derechos are among weather's most destructive phenomena. And there's one headed ...

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

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

Early models showed the possibility of a derecho forming in Minnesota between Sunday evening and Monday, but the system ended ...

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

The last time a derecho hit eastern South Dakota, the sky above Sioux Falls turned green, prompting Reddit users to create images of everything from Cthulhu to the Stay-Puft Marshmallow Man ...