Tornado Warning Issued for Clinton and Washington Counties in Illinois Until 6:45 PM CDT

Alert Details

The National Weather Service in St Louis has issued a Tornado Warning for central Clinton County and Washington County in south central Illinois. This alert is based on radar-indicated rotation from a severe thunderstorm.

Affected Areas

The warning covers portions of south central Illinois, specifically:

• Central Clinton County
• Washington County

Impacted locations include Nashville, Okawville, Bartelso, Johannisburg, Lively Grove, New Memphis, Damiansville, Oakdale, Addieville, Covington, Posen, Beaucoup, Hoyleton, Ashley, Hoffman, Richview, Irvington, Wamac, and Shattuc. This also includes Interstate 64 in Illinois between exits 34 and 61.

What You Should Do

Residents in the warning area should take immediate safety precautions:

• Move to an interior room on the lowest floor of a well-built building.
• Stay away from windows.
• If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter immediately to protect yourself from flying debris.

Expected Conditions

At 5:54 PM CDT, a severe thunderstorm capable of producing a tornado was located 5 miles northeast of New Athens, or 9 miles southeast of Freeburg, moving east at 50 mph.

Hazards include:

• Tornado: Radar indicated rotation.
• Flying Debris: Dangerous to those without shelter.
• Structural Damage: Mobile homes may be damaged or destroyed. Damage to roofs, windows, and vehicles is expected.
• Vegetation: Tree damage is likely.

Timeline

The Tornado Warning is effective immediately as of 5:54 PM CDT on March 15, 2026. The warning is scheduled to expire at 6:45 PM CDT.