Are there tornadoes in Chicago?
Chicago does get tornadoes, mostly in spring and late summer, and 2026 has been an unusually active year.
Chicago does get tornadoes, mostly in spring and late summer, and 2026 has been an unusually active year.
No tornado is forecast for Chicago today; severe weather from last week has passed.
Chicago is vulnerable to tornadoes, with a history of significant events including the 1990 Plainfield F5 tornado.
Chicago has a history of tornadoes, including a downtown touchdown in July 2024, with peak season in spring and late summer.
No tornado is forecast for Chicago; no warnings are in effect as of August 17, 2026.
Chicago's tornado siren is a citywide outdoor warning system of 112 sirens used to alert residents to tornadoes and severe weather.
Chicago is tornado-prone, averaging a strike every 9.8 years, with spring and late summer peaks, and is currently overdue for a major tornado.
An orange alert signals hazardous weather that can cause significant disruption and requires preparation, but it is less dangerous than a red alert.
A tornado warning means a tornado has been spotted or detected by radar, and you must take shelter immediately to protect life and property.
A severe thunderstorm warning alerts to damaging winds and hail, but does not cause tornadoes; tornado warnings are issued separately when a tornado is detected.
Severe weather watch bulletins are issued 36 - 48 hours ahead when conditions favor severe weather, alerting the public to prepare.
Severe thunderstorm warnings are issued when radar or spotters detect winds ≥58 mph or hail ≥1 inch, prompting immediate shelter.
A severe thunderstorm warning is issued when a storm produces 58+ mph winds or 1+ inch hail, signaling immediate danger.
A severe thunderstorm watch means conditions are favorable for severe storms, but none are occurring yet - stay alert and be prepared.