The forecast is worrisome: The National Weather Service predicted late-afternoon thunderstorms would congeal into a derecho over eastern South Dakota by the evening of July 28. Then, the storm and ...

Add Yahoo as a preferred source to see more of our stories on Google. A derecho is a large cluster of thunderstorms that most commonly forms in late spring and summer, and causes widespread ...

The damage that hit eastern South Dakota and western Minnesota after last week’s derecho – a large-scale windstorm with 90-to 100-mph straight winds, blasted the area. Unfortunately, the damage is ...

A year after deadly winds shattered skyscraper windows, toppled trees and caused widespread power outages across Houston, many homes still bear the marks of the derecho's destruction. The estimated ...

A fierce and long-lasting line of severe thunderstorms called a derecho is likely to tear across the Northern Plains to kick off the week, causing damage to trees, structures and knocking out power.

As families along the Gulf Coast deal with the aftermath of Hurricane Laura, people in Iowa are still without power after a derecho with winds of up to 140 miles per hour hit parts of the state on ...

According to NOAA's Storm Prediction Center, a derecho is a widespread, severe windstorm. Although a derecho can produce destruction similar to a tornado, the damage typically occurs in one direction ...