National Weather Service United States Department of Commerce


Severe thunderstorms tracked across much of eastern Iowa and northwest Illinois in the early afternoon hours of May 23rd, 2020. Storms quickly intensified in an extremely favorable environment, which was the result of a warm front lifting north across the Midwest.

Hazards including tornadoes, torrential rainfall, and large hail.

7 tornadoes were confirmed from this event. Please see the Tornado tab for more details and locations.


Summaries from Other Offices

- NWS Chicago

Tornado Watch #207 Graphic