Severe Weather and Flash Flooding Threat for Iowa This Weekend
Severe storms and flash flooding are possible across Iowa this weekend with damaging winds, heavy rain, and repeated storms Saturday into Sunday.
What Is a Derecho? 2025 Updated Criteria
Learn about the updated 2025 derecho definition, including new criteria like hurricane-force gusts, storm length, and what qualifies a storm as a true derecho.
Severe Storms Rip Through Northern Iowa Overnight, Leaving Behind Damage and Power Outages
Severe storms swept through Iowa overnight July 27–28, bringing up to 70 mph winds, downed trees, power outages, and damage across parts of Iowa.
What is a Microburst?
Learn what a microburst is, how it forms, and why it's dangerous. Discover key differences from tornadoes and how to stay safe during severe storms.
Active Weather Pattern to Close Out July in Iowa: Heat, Heavy Rain & Severe Storms Possible
Iowa faces an active stretch of weather from July 19–30, including heavy rainfall, severe storms, and a prolonged period of dangerous heat.
What is a Mesoscale Convective System (MCS)?
What is an MCS? Discover how these massive storm clusters form, why they last for hours, and the dangers they bring — from floods to fierce winds.
Shelf Cloud vs. Wall Cloud: What is the Difference
Often confused, there is a difference between a wall cloud and a shelf cloud. Here is how to tell them apart.
Iowa Weekend Weather Outlook
Severe storms possible in Iowa this weekend: Weak activity Friday, limited threat Saturday, but Sunday brings highest risk for hail and damaging winds.
Severe Weather Likely Monday Across Iowa and the Midwest
Severe storms are possible Monday across Iowa with threats of large hail, damaging winds, and even tornadoes. Stay updated with the latest forecast details.
Moderate Risk of Severe Weather Issued for Iowa Friday
A line of thunderstorms will develop across Iowa after 3PM Friday and will be racing to the north and east, producing significant damaging wind gusts. Read the latest.