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Jefferson County
Saturday May 16th, 2026 :: 04:59 p.m. CDT

Alert

Severe Thunderstorm Warning until 05:30PM

SVRPAH The National Weather Service in Paducah has issued a

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

* Until 530 PM CDT.

* At 458 PM CDT, a severe thunderstorm was located near Ashley, or 12 miles southeast of Nashville, moving east at 25 mph. This storm produced 60 mph winds as it moved thru nearby Ashley in Washington county recently. 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, Woodlawn, and Waltonville. This includes the following highways... Interstate 57 in Illinois between Mile Markers 91 and 99. Interstate 64 in Illinois between Mile Markers 68 and 78.

* AFFECTED AREAS: JEFFERSON, IL

Instructions:

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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