Severe Thunderstorm Warning Issued for Greene, Macoupin, and Montgomery Counties in Illinois

Source: NOAA · Southwestern Illinois

This alert is no longer in effect.

NOAA issued it on May 6, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

The National Weather Service has issued a Severe Thunderstorm Warning for parts of Illinois until 8:45 AM CDT, with hazards including quarter-sized hail and winds up to 50 MPH.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Southwestern Illinois
Issued
May 6, 2026
Issuing authority
NWS St Louis MO

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Southwestern Illinois.

Severe Thunderstorm Warning

Alert Details

The National Weather Service in St Louis has issued a Severe Thunderstorm Warning for northwestern Montgomery County, east central Greene County, and northern Macoupin County in Illinois. It was issued at 7:59 AM CDT on April 27, 2026, and is effective until 8:45 AM CDT.

Affected Areas

The warning affects Greene County, IL; Macoupin County, IL; and Montgomery County, IL. Specific locations impacted include Chesterfield, Hettick, Carlinville, Scottville, Palmyra, Modesto, Standard City, Nilwood, Girard, Virden, Farmersville, and White Oak. This includes Beaver Dam State Park.

What You Should Do

Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail.

Expected Conditions

Hazard includes quarter size hail (1.00 inch). Wind gusts up to 50 MPH are possible.

Timeline

The alert is effective from 7:59 AM CDT to 8:45 AM CDT on April 27, 2026.

Original source: NOAA Official Notice ↗

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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Severe Thunderstorm Warning for parts of Illinois until 8:45 AM CDT, with hazards including quarter-sized hail and winds up to 50 MPH.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southwestern Illinois. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.