A storm system affected Chicago and Indiana on August 12th, bringing reported tornadoes to the Chicago area and a flood watch to Kosciusko County.
2 reports, 2 independent
Updated Aug 12
Gone quiet
Reached 2 outlets in its first 24 hours
- Reports
- 2
- Developments
- 4
- Repetition
- 50%
New informationRepeats or wire copies
AI-generated analysis. Brind wrote this summary from the reports listed below. It can be wrong. Each section says how much you can rely on it, and the sources are linked so you can check.
What happened
A storm system affected Chicago and Indiana on August 12th, bringing reported tornadoes to the Chicago area and a flood watch to Kosciusko County.
Who's involved
What this event is mainly aboutHow it developed
Newest first. Tap a step to see who reported it.- Severe weather warnings were issued for Illinois, resulting in tornado impacts in Will County and data analysis by Northern Illinois University.Sub-event
- A tornado damaged a venue in Tinley Park suburb on August 12, 2026.Sub-event
Tornadoes reported in Chicago area; flood watch issued for Kosciusko County, Indiana.1 source
- The National Weather Service issued flood advisories for a region, including Indiana, on May 28, 2026.Sub-event
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The entities involved
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Chicago
city and county seat of Cook County, and largest city in State of Illinois, United States of America
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Indiana
state of the United States of America
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National Weather Service
U.S. forecasting agency of the National Oceanic and Atmospheric Administration
Related events
- Severe weather impacts both Chicago and Indiana, with the incident centered in DuPage County.
- A storm affected Northwest Indiana, including Portage and East Chicago, on September 1st.
- Indianapolis experienced severe flooding in Indiana while tornadoes were reported near Chicago, Illinois.
- A tornado warning failure occurred in Illinois, alongside radar testing being conducted in Dodge County, Wisconsin.
- Severe weather watches have been issued for Wisconsin and Illinois, with severe storms impacting the Chicago area and parts of Indiana.