Severe Thunderstorm Warning — McLean County, Illinois
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 13 at 1:25PM CDT until August 13 at 2:30PM CDT by NWS Lincoln IL
SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Northeastern Piatt County in central Illinois... Northeastern De Witt County in central Illinois... Northwestern Vermilion County in east central Illinois... Southeastern McLean County in central Illinois... Northern Champaign County in east central Illinois... * Until 230 PM CDT. * At 125 PM CDT, a severe thunderstorm was located near Saybrook, or 12 miles west of Gibson City, moving east at 45 mph. HAZARD...70 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * This severe thunderstorm will be near... Saybrook around 130 PM CDT. Other locations in the path of this severe thunderstorm include Rantoul, Gifford and Potomac. This includes the following highways... Interstate 57 between mile markers 237 and 257. Interstate 74 between mile markers 148 and 179, and between m
Effective August 13, 2026 at 2:25 PM ET · Expires August 13, 2026 at 3:30 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Lincoln IL
Expires
August 13, 2026 at 3:30 PM ET
Last Checked
just now
What To Do
📋 Official NWS Guidance
For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Illinois
Severe Thunderstorm Watch
Hydrologic Outlook
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Get Severe Thunderstorm Warning Alerts for McLean County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for McLean County, Illinois?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (just now). It's set to expire August 13, 2026 at 3:30 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for McLean County?
Download StormCast free on Google Play and set McLean County, Illinois as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Champaign County, Vermilion County, De Witt County, Piatt County.