A powerful storm system that brought high winds to parts of northern Iowa last week has officially been designated a derecho, causing damage to trees, buildings and crops along its path.

July was a trying weather month. Hot and humid days were good for corn and soybean growth, but hard on livestock and on wheat ...

From historic floods to destructive tornadoes, discover extreme Iowa weather events that were caught on tape (and watch the ...

"Long-lived, strong squall lines are called 'derechos' (Spanish for "straight")," according to the NWS' description for these ...