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Jefferson County
Wednesday March 11th, 2026 :: 05:25 a.m. CDT

Alert

Severe Thunderstorm Warning until 06:15AM

SVRPAH The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for... Northern Jefferson County in south central Illinois...

* Until 615 AM CDT.

* At 524 AM CDT, a severe thunderstorm was located near Nashville, moving east at 65 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include... Mount Vernon, Woodlawn, Bluford, and Dix. This includes the following highways... Interstate 57 in Illinois between Mile Markers 94 and 105. Interstate 64 in Illinois between Mile Markers 63 and 75.

* AFFECTED AREAS: 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. A Tornado Watch remains in effect until 1100 AM CDT for south central Illinois.

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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