Severe Thunderstorm Warning — Jefferson 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 12 at 5:16PM CDT until August 12 at 6:00PM CDT by NWS Paducah KY
SVRPAH The National Weather Service in Paducah has issued a * Severe Thunderstorm Warning for... Southeastern Jefferson County in south central Illinois... West central Hamilton County in south central Illinois... Northeastern Franklin County in south central Illinois... * Until 600 PM CDT. * At 516 PM CDT, a severe thunderstorm was located 8 miles east of Rend Lake Area, moving southeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Ewing and Macedonia.
Effective August 12, 2026 at 6:16 PM ET · Expires August 12, 2026 at 7:00 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Paducah KY
Expires
August 12, 2026 at 7:00 PM ET
Last Checked
1 hour ago
What To Do
📋 Official NWS Guidance
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Other Active Alerts in Illinois
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Get Severe Thunderstorm Warning Alerts for Jefferson County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Jefferson 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 (1 hour ago). It's set to expire August 12, 2026 at 7:00 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Jefferson County?
Download StormCast free on Google Play and set Jefferson 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.