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

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

Here are the top headlines from this morning. The National Weather Service in Sioux Falls has confirmed a tornado in Lyon County, Iowa, that occurred during Monday’s derecho event. An annual financial ...

After heavy storms swept through Sioux Falls this week many residents are still cleaning up the damage, leaving several with ...

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

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

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 ...

Finally, a day without the threat of severe weather. Since Saturday, the weather service has issued 160 warnings…including 19 ...

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, ...

Sioux Falls Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Sioux Falls area.

That’s what Amanda Lounsbery said as she stepped over toppled tree limbs littering her yard and tripped over flattened ...