Iroquois County, Illinois: tornado and severe weather warnings
Nothing is in effect for Iroquois County as of 6:03 PM CDT: no warnings, watches or advisories. This page checks the National Weather Service every minute.
Open the live map on Iroquois County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Iroquois County. Tap your own street on it for times that apply to you.
The last 12 months in Iroquois County
- 11 tornado warnings
- 20 severe thunderstorm warnings
- 4 flash flood warnings
- 7 tornado watches
- 19 severe thunderstorm watches
The most recent tornado warning that included Iroquois County was issued Aug 10, 2026 by the Weather Service office in Chicago, IL.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Aug 15, 2026 | 1:50 AM CDT | Flash flood warning | LOT | text |
| Aug 14, 2026 | 1:21 AM CDT | Flash flood warning | LOT | text |
| Aug 14, 2026 | 12:48 AM CDT | Flash flood warning | LOT | text |
| Aug 12, 2026 | 10:14 AM CDT | Severe thunderstorm warning | LOT | text |
| Aug 11, 2026 | 1:56 PM CDT | Severe thunderstorm warning | LOT | text |
| Aug 11, 2026 | 11:10 AM CDT | Severe thunderstorm warning | LOT | text |
| Aug 10, 2026 | 1:52 AM CDT | Flash flood warning | LOT | text |
| Aug 10, 2026 | 1:42 AM CDT | Severe thunderstorm warning | LOT | text |
| Aug 10, 2026 | 1:28 AM CDT | Tornado warning | LOT | text |
| Aug 10, 2026 | 1:20 AM CDT | Severe thunderstorm warning | LOT | text |
| Aug 10, 2026 | 12:36 AM CDT | Severe thunderstorm warning | LOT | text |
| Jul 27, 2026 | 6:05 PM CDT | Tornado warning | LOT | text |
A warning counts here if the Weather Service listed Iroquois County in it, even if the warned area covered only part of the county.
Nearby
- Ford County, IL
- Newton County, IN
- Kankakee County, IL
- Benton County, IN
- Warren County, IN
- Livingston County, IL
- Vermilion County, IL
- Jasper County, IN
- All of Illinois
What the alerts mean
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.