Illinois has had 3,108 tornadoes since 1950, so see which counties have warnings or watches today
No active warnings or watches in Illinois
Nothing is listed right now. Check your exact location for the latest.
Illinois severe weather alerts by type
What each kind of alert means and where to see it for Illinois.
Illinois tornado watches and warnings
None active in Illinois right now. A tornado watch means tornadoes are possible.
Illinois severe thunderstorm watches and warnings
None active in Illinois right now. A severe thunderstorm has winds of 58 mph or higher, hail 1 inch across or larger, or both.
Illinois flood watches and flash flood warnings
None active in Illinois right now. A flood watch means flooding is possible.
Illinois winter storm, ice storm, snow and blizzard warnings
None active in Illinois right now. Winter alerts run from a watch (possible within about 48 hours) to a warning (occurring or imminent) and an advisory for less serious but still inconvenient conditions.
Illinois heat advisories and extreme heat warnings
None active in Illinois right now. A heat advisory is the lower level and an extreme heat warning the higher level; both based on the heat index.
Illinois wind advisories and high wind warnings
None active in Illinois right now. A wind advisory is for strong winds; a high wind warning is for damaging winds.
Other alert types: Tropical · Fire weather · Coastal · Marine
Illinois tornado history: last tornado, strongest and worst on record
From the NOAA Storm Prediction Center database, 1950 through 2025.
Illinois has 3,108 tornadoes on record, about 41 a year, and 1,650 of them since 2000. That ranks Illinois number 6 among the 50 states by count. 141 were rated EF3 or stronger, including 32 rated EF4 or EF5. They caused 232 deaths and 4,655 injuries.
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|
| 45 | 49 | 55 | 48 | 63 | 73 | 35 | 118 | 139 | 121 |
Most Illinois tornadoes have come from April through June. The single busiest month is May (21% of the total).
Counts use each tornado's starting state. Ratings before 2007 use the original Fujita scale. The database ends in 2025, so more recent tornadoes are not included.
Illinois flood map and flood warnings
No flood watch or warning is active in Illinois right now. Flood zones are mapped by FEMA street by street. FEMA's Flood Map Service Center lets you search an address and see its flood zone.
Illinois storm tracker: storms and events
No tracked events involve Illinois right now.
Official sources for Illinois
Ready Illinois (Illinois Emergency Management Agency): evacuation orders and local alertsIllinois emergency managementFEMA: state and local emergency managementNWS Quad Cities, IA/IL: warnings and local alertsNWS Central Illinois: warnings and local alertsNWS Chicago, IL: warnings and local alertsNWS St. Louis, MO: warnings and local alertsNWS Paducah, KY: warnings and local alertsNWS safety guidesCommon questions
Is there a tornado warning, winter storm warning or other weather warning in Illinois right now?
We do not see an active tornado, winter storm or other warning or watch for Illinois in the latest National Weather Service data. Conditions change quickly, so check your ZIP code for the latest.
When was the last tornado in Illinois, and how many have there been since 2000?
The most recent tornado in the NOAA Storm Prediction Center database for Illinois is December 28, 2025, rated EF1. The database lists 1,650 Illinois tornadoes since 2000 and 3,108 since 1950. It runs through 2025, so it does not include later tornadoes.
What was the deadliest tornado in Illinois, and what was the strongest?
By rating, the strongest in the record is August 28, 1990, rated EF5, 29 deaths. The deadliest is April 21, 1967, rated EF4, 33 deaths. Ratings before 2007 use the original Fujita scale.
How does Illinois rank for tornadoes among the states?
Illinois ranks 6th of 50 states by the number of tornadoes since 1950: 3,108 in all, about 41 a year. 141 were rated EF3 or stronger, 32 of them EF4 or EF5. They caused 232 deaths and 4,655 injuries, and the busiest year was 2024 with 139. Each tornado is counted in the state where it started.
When is tornado season in Illinois?
Most Illinois tornadoes in the record came from April through June. May is the busiest single month, with 21% of the total. Tornadoes can happen in any month.
Where do I find Illinois emergency management and National Weather Service offices?
The state agency is Ready Illinois (Illinois Emergency Management Agency) (https://ready.illinois.gov/). The National Weather Service offices that cover Illinois include NWS Quad Cities, IA/IL, NWS Central Illinois, NWS Chicago, IL, NWS St. Louis, MO, NWS Paducah, KY. Evacuation zones and orders come from your county or state emergency management office, not from this site.
Which Illinois cities and counties have their own alert pages?
This site has city pages for Cook County (Chicago); Peoria County (Peoria); Sangamon County (Springfield). Each city page shows the alerts for the center of that city.
Be ready in Illinois
Official-source guides for the weather Illinois sees most.
Cities and counties in Illinois
Live alerts and local storm history for each city, grouped by the county it is in.
Alert data comes from the National Weather Service and is refreshed every 15 minutes.