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Jefferson County
Saturday May 16th, 2026 :: 04:55 p.m. CDT

Alert

Severe Thunderstorm Warning until 05:15PM

SVRPAH The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for... Northwestern Wayne County in south central Illinois... Northeastern Jefferson County in south central Illinois...

* Until 515 PM CDT.

* At 453 PM CDT, a severe thunderstorm was located near Bluford, or 12 miles northeast of Mount Vernon, moving east at 35 mph. This storm or complex of storms has produced damaging winds, downing power lines and trees, in parts of Marion county. 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... Mount Vernon, Wayne City, Sims, and Johnsonville.

* AFFECTED AREAS: JEFFERSON, IL ... WAYNE, 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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