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Jefferson County
Wednesday August 12th, 2026 :: 05:17 p.m. CDT

Alert

Severe Thunderstorm Warning until 06:00PM

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.

* AFFECTED AREAS: FRANKLIN, IL ... HAMILTON, IL ... JEFFERSON, IL

Instructions:

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.

Address/Location
Jefferson County
100 S 10th St
Mount Vernon, IL 62864

Contact
Emergency: 9-1-1
Non-emergencies: 618-244-8000

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

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